but i dont know which one is the best for this amount of money.i saw one on ebay which is “hd 66″(brand) the contrast os this projector is 600:1 on the other side there is “optoma ep721″ projector which is not hd ready but the contrast is 2000:1. which one is better i dont know [...]

I am projecting onto an 80″ screen. I am going to get either a Optomo, benq w100 or infocus n72 16:9 home theater projector.
I am leaning toward the infocus as it has great reviews, better dark levels and… well looks cool. I am hooking up a HTPC, DVD (480p) and a Wii (480p). [...]