<< I've never really looked at the difference between DVD and VCR's are they really alot of video and audio quality difference? >>
Well, I was impressed with the picture the night I hooked ours up. I rented "Tomorrow Never Dies" and within the first 5 minutes, my dad commented about how good the picture looked. If HE can notice it, I think you'd have to be blind to not notice the difference.
If your TV supports it, when you buy the player pick up an Svideo cable too. The bestbuy guy will try and force a Monster cable on you, don't buy it. Get whatever they have (skip over the phillips, I think armless monkeys designed them) that's not too expensive. I had a RCA svideo cable for the DVD player, and when we got the TiVo, I sent my dad out to pick up another one. He bought a monster cable at Circuit City, paid $25 (I paid $9 for the phillips one I bought), and you can't tell the difference, no matter what anyone tells you.
Your best bet? Check out epinions.com and read reviews. Go into the store, when the BestBuy guy asks if you need help, tell him no, pick out the DVD player you decided on (decide BEFORE you go into the store), get an svideo cable if you need one, and head to the checkout. As long as you stick to a quality, name brand model, the extended service plan is useless. They make CRAZY profit on those (a former BB employee said here once they make $76 on a $80 plan), and a good model won't fail you after three years or whatever. If a DVD player will fail, it will fail within the manufactures warrenty time.