We had a shootout over here at the house last summer and we involved a bunch of projectors including the HS10, a Panny LCD, an X1, and several others I don't even remember.
Although all the projectors did a pretty decent job, the HS10 was noticeably better and quieter. Since then, I've taken a look at the HS20 and it seems like they've only made it better.
I don't think you can go wrong. We were projecting on a 120+" Da Lite screen and it looked great.
On the subject of screens, a couple guys had DIY screens and they were amazed at how much better the DaLite screen looked. I think it's worth figuring a good screen into the budget rather than trying to DIY one. FWIW, I found an $1100 retail screen online for $400.
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Az