Usually I never can decide between the Orks and the Eldar, but if I'll have my past memories, then Orks all the way, so I don't have to deal with those annoying things like sadness or regret. Or sanity.
And they are, in fact, the greatest philosofers of all time; "Dis is da plan, were gonna win an' if we don't, it'll be you's foult for not following da plan!"