Help me find a Home Theater Projector for me!!???

I want to watch my HDTV and play DVDs, Xbox 360, Wii, and normal TV on the projector, as well as hook up surround sound. I have no idea what all this 480i,1080p blah blah mess is so can someone tell me if that all really matters and which projector is right for me? I was looking at this Dell:

http://reviews.cnet.com/home-theater-projectors/dell-2400mp-projector/4505-7858_7-31878925.html?tag=prod.txt.5

But I was not sure if it was for Home theater or for presentations…I also looked at the Infocus IN models like the IN1, IN74, ETC…

http://www.infocus.com/Segments/Entertainment/Home%20Entertainment.aspx

I want to spend under ,000…please help!

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