I'm looking for a big new LCD or projection type

flat screen TV....

Here are my choice:

1. SAMSUNG HLT5687 56in DLP Projection HDTV...1080P, contrast ratio 2500:1....'Very sharp flat screen TV when compare to Sony SXRD 60in.(KDS60000).

2. Sony SXRD KS60000 60in. ...DLP, 1080P, contrast ratio 10000:1 etc.

3. Sharp Aquos LC52D82U 52in. LCD flat screen....1080P, contrast ratio 10000:1 etc.

4. Sharp Aquos LC52D62U 52in. ....1080P, contrast ratio 1500:1 etc.

Which one is a better choice ???

Thanks.....