Pip the dx cat really prefers the larger screen size of the 4 inch models :
http://www.videokarma.org/showthread.php?t=269485
The mid sized models,such as the FD-270 (upper left corner of my display shelf) is a nice size, but I have yet to find one that works well.
jr
Old thread on flat tube Sony tvs:
http://www.videokarma.org/showthread.php?t=246309
jr