I understand that Optoma has lowered the MSRP to $2000.00 U.S. which should make this projector a more talked about entity in this forum.
While the H57 is essentially a matterhorn, it renders both DVDs and HDTV beautifully without scaling artifacts. I have seen 720p projectors and neither DVDs nor HDTV look better to my eyes than on the H57. When you're that close to HD resolution, it's my opinion that a negative comparison is only really nit-picking.
The price of D3 chip DLP projectors isn't even close to what the H57 is selling for now. It hits a sweet spot between the 480p pjs and the 720ps. If what you want is an LCD projector @ 720p then yes, it doesn't make sense to buy the H57 but if DLP is what you're looking for then the H57 is a good fit.
I went through two H31s before giving up. I can't afford a 720p DLP, especially the way they're priced here in Canada but the H57 is now being aggressively priced.
Here's why I upgraded to the H57:
1. Better reds. The H31 has orangey reds whether it's through an HTPC or a DVD player. You can only tweak them so far before your image begins to suffer in other ways.
2. The H57 has no trouble syncing with an HTPC unlike the H31 which can be hit or miss. Both my H31s would not work with a computer over DVI.
3. Better resolution. The pixels are smaller and there are more of them on the H57. You can sit closer to the screen without being affected by SDE.
4. The H57 is brighter. This may or not be a good thing but I like it.
5. Color saturation is better on the H57. The H31 is very good in this regard but I see the H57 as being noticeably better.
6. No tearing on the H57, unlike the H31 when used with an HTPC.
7. Separate VGA input on the H57 rather than a shared DVI/VGA input on the H31.
Check out this review posted by a fellow AVS Forum member who runs the website on which the review is posted:http://www.projectorreviews.com/review.asp?reid=35