As you would expect Basic Nobz got beat pretty bad. With anything below 15 Nobz, they pretty much instantly broke and then they got mopped up, all the PSMs still on green. It was actually pretty hard to get them into battle without breaking, even when PSMs and Nobz run straight at each other
With 30 v 30 basic Nobz:
=PSMs lost 5 while killing the Nobz. The 25 that were left were pretty much all on red - but not deep red. There were a few yellows too , but mainly red. Hooray, I thought. Quite a good result
30 v 30 PKNobz
= the Nobz won convincingly; 20 left, all pretty much on green.
But then we decided to one that took pop cap into account, and the results were pretty surprising:
25 PKNobz, vs 30 PSMs
= PSMs Won! 8 PSMs left, with an average of 1/2 health left. So outnumbersing is the big difference, and this, it seems is where PSMs get their power (well, aside form the massive speed, small base size and insta-break flamer of course

)
But then not quite all is lost for Orks... testing heroes:
4MANZ and 20 PKNobz, vs 30 PSMs (with reinforce on)
= Orks Win! Only 1 MAN was left with (in deep red), but Nobz have 15 PKNobz at the end, and 4 basic Nobz. So woot for the MANZ! I don't think reinforce made much difference here though, I suspect the outcome would have been the same, except possibly MANZ would have more health and there would be no reinforced Nobz.
We should probably have done some reinforcing tests, but the results are fairly obvious I think...
Anyway: we decided to go with a full pop cap and all leaders + abilities test. The orks won with good dok micro and lost without it, basically. (this is without any reinforce, though)
The remains of the ork army with the good dok micro were:
16 Nobz, 1/2 HP on average
2 Doks
3 Manz
Warboss
Big Mek
(I'll post the results without usung leader abilites a bit later... I have to go back and look at the replay)
So anyway... the PKNobz make a decent account for themselves because of leaders and morale immunity... but once again, I think that if you put reinforcment, Preds and Looted Lemans into the equation orks would be down the crapper
My 2 cents:
I think it proves that PSMs are pretty OP at the moment... I was really expecting the PKNobz to win easily in a straight up fight, but with the extra spammabilty and smaller pop cap of PSMs, even PKNobz don't have it terribly easy.
The results of no PK Nobz were very interesting, so I think if you're gonna use Nobz to counter PSMs you're probably better to try and outmass him with basic nobz with upgrades rather than try to get PowerKlawz. This may be a viable strat, though once he gets more than 30 or so PSMs it won't work anymore because you'll reach your cap limit and get overwhelmed Also, you better hope you dont lose many banners 'cause that'll kill your reinforce
No wonder Marines love their WWs so much! Without morale immune PSMs wtfpwn anything without taking a scratch. ATs would get decimated.