Here's my setup. A 625 driving a (10 year old) Sony 36 in (4:3) CRT 1080i HDTV (no tuner, just a monitor) and a 510 driving a new 32 in Vizio 1080p LCD. To me (the wife probably couldn't care less) there's a noticeable difference in quality. I see many more artifacts (blocking on the LCD vs...