This is a very hard tier to judge.
What stands out to me are these prominent facts :
1. Some Photos do not display the model very well at all, and I know that the model will be good, but I just can't see it; either due to darkness or picture size.
2. I feel like I am applying different frameworks for judging the models within this one tier. I have models here that are better-than-tabletop, but also models which are far below tabletop. It seems harsh to judge one set with the others framework.
3. Less is more. With the majority of the models, some people have gone way over the top, with free hand designs, and frankly, it removes the tidy paint job that once resided beneath it, also apparent are highlights which are far more than subtle.
I feel I am being quite harsh here, so i'll shut up for now 
Reviews inbound...
[These are primarily quite critical, but i'm only focussing upon where you could improve the model/s, so don't be disheartened if it feels like I am laying into your hard work]
Cancerman - Sister of Battle
A neat model, highlighting and general good choice of colours. No creativeness with freehand or conversion. The base is quite bland too.
Schweet - Rabbid Ork
This is mental heh. Very good inking and layering. Creative conversions and good attention to detail. The base is creative too, but slightly messy. The slugga seems a little rushed, in that it is just a metallic with what seems like a bit of black ink/brown ink.
LordAba - Ripper Swarm
Different type of model. The base has been jazzed up with the Tyranid hive node and other resources. The detail has been acknowledged and picked up on. Inking has been used, but layering and highlighting hasn't. The base ideally should be tidied up, so the node cannot be seen the underneath of with that gap.
Neohunter - Kasrkin
Nice model, good glass/lens effect present. Highlighting is a little extreme, and the layering on the Plasma reactor glow is non existant (disappointing really since a mix of Ice Blue could work wonders with it and it would shine, quite literally!). Base has been made interesting with the nicely painted tau helmet, although the battle damage would be good to be physically represented (with a big gouge out of with with clippers or craft knife
).
eumenes - Berserker
First thing that hits me is the base. Incredible base!
The model itself is inventive with the conversions, and freehand has been attempted with the weapon detail, although it doesn't appeal to me.
The chainsword inner teeth have also been picked out, which is often never done. The model is missing some solid highlighting, as it has the lowlighting sorted pretty much it seems.
Oil Sucker - Grey Knight Grand Master
Nice solid colour - very little highlighting can be done on the model, and the dark and small image makes it quite hard to tell, so I will just have to go with gut instinct, in that it hasn't. The detail has been well homed in on, and the model itself has been converted. The base is interested also.
The cloak is a bit of a let down for me personally with the extrusive "I" and the lines, but the attempt was made for freehand, and it will be looked upon favourably.
Norsehawk - IG Senior Officer
A very neat model. Perhaps let down by the blandness of its colours and base. Highlighting and edging has occurred, and the detail in the scarcity that it actually exists on this model has been well attended to.
STV-1138 - Eliphas the Inheritor
Quite a dark photo, although the model itself is dark, so that doesn't help!
Interesting model, conversion, nice base and very nice skull work done. The cape looks oily which is a good effect for this model in my opinion. The Scythe blade looks a little bland, and the model's head is shiny, which I don't fully think goes well. Also the face skin colour I don't believe is the best that could be achieved for detail, especially considering the darkness of the model as a whole, a constrasting white or lighter grey face would have been better.
Tubby131313 - Space Wolf
Interesting model - nice effect on the fur on the lower half. The base has been spruced up, but seems a little unfinished presently.
The solid block of silver on the model's left arm seems a little rushed and not thought out properly, as does the plasma pistols solid silver chassis. The Plasma reactor could do with a small bit of layering to give a true glow effect.
Higgen - Kasrkin Sarge
Nice model - like the shaved head look with his bald head 'stubbly' effect. The base has been customised but still seems a little bland. The armour doesn't appear to be highlighted or edged, but instead is varnished shiny, which doesn't really go with the model, in my opinion. Most detail has been acknowledged, but some (power sword wire for instance) has been rushed over.
Nanolathe - Space Marine
Nice model first of all. Huge base, perhaps too big (?!). Nice effort with the shoulder pad freehand, however the small block of yellow seems out of place on the checkered pattern. The grass on the base seems a little untidy also.
The opposite shoulder pad seems to be missing a logo, which makes the model look incomplete and unfinished. Plasma Pistol looked good with what seems like attention to detail on the rear of the weapon.
DarkWatcher - Deathwing Termy
Interesting model. What struck me first sadly was the banner with the missing words/name/slogan, which hinted at it being incomplete.
The Angel aloft the banner pole looks very nice, good job with that. The sword also looks very good, nice to see a sword that isn't a metallic (!!).
Good work with the base, breaking up a large bit of grass with some gravel effect works well. The edging/highlighting seems to have been cheated. It seems like the model was painted a flesh colour then flesh washed in the middle to look like it was edged or highlighting... so in effect, like highlighting working backwards. The hood looks like it could use a bit of edging too.
n00bman - Tyranid Warrior
Nice work with the bone plating. However it could be blended better - the red seems to be the only colour visible on the end product, as it goes Black -> Red, with no inbetweens (which I know there were as I followed the blog).
Nice colourful and interesting base, but samey- marauding type posture (i've seen that posture and similar alot at my GW and at Tournaments).
Incinerator - Chaos Boobsnake Lord
Umm.. Green Stuff ahoy 
The Model itself is very inventive, good use of colours where appropriate, and a nice solid marine blue for the snake body. The green stuff merging the torso to the snake however looks like it was applied without much thought - would need making thinner in my opinion.
Nice work on the fins, they look very good.
The base itself is quite blade however, bearing in my just how big this model is, it could have a cool diorama set up on it.
Solomon_lok - Marine with Lightning Claws
Colourful model - no banner insignia which is a let-down. The yellow looks like it could do with some work, either stronger edging or some high/lowlighting.
Nice work with the base, and the details of model show through due to being picked up on. Like the skulls on the Lightning Claws too.
(Its getting quite late now, so i'll pick up on the rest tomorrow and vote tomorrow when i've decided on which I believe achieves its goals best).