The Sony and the Samsung will have the best pictures of the 4 you mentioned. If you are hooking a computer to the TV make sure the set you buy has a VGA or DVI input (DVI is better but some older laptops wont have this kind of video out so check your ports first). I thought I was going in to buy the Sharp but ended up getting the exact 46 inch Sony you have but the next level down (the V series).
Also, regular dvd players don;t look that great on a big hi-resolution screens like this. A 75 dollar upscaling one (I originally got a Phillips from Target) with an HDMI cable will make all the difference in the world with standard definition DVD's.
One last word of advice. Don't let the electronics sales people convince you that you need ridiculously overpriced 100 dollar HDMI cables. Shop around and you'll find them for 20 dollars (online even cheaper).
We are watching a 25" TV and have to get a new TV. We have a good size room and are looking for a 46-47" TV. Was told Plasma burns in the image on the scree so looking for a LCD. Sometimes I do needle work while watching TV so will have a light on. I was looking at
Sony KDL 46W 3000, Samsung LNT4665F, Sharp Aquos, Philip47PFL7422D
We do not play games on TV, watch movies and sports, might use DVD player, might hook up to laptop to view photos. Not talented technically. First HD TV for us. Also like the warranty and return policy of costco, but they do not have a large variety to choose from.
They have the Phillips for 1499. sometimes one of sits kind of at an angle to wher TV will be. Any Suggestions? Anything to stay away from?