good brushless setup advice

[secondwaiting]

thanks. i e mailed mike a while ago and he said the Neu 1515/2.5d motor and an MGM 160/16 was a really good setup. is that better than using the quark? and do i get 2s lipos or 2s2p lipos? or does it all depend on my esc? im looking at getting 5000mAh