I was always told - lcd's up to 32" anything bigger then get a plasma. Was also told plasmas are better for watching sports and playing games. But like people are saying go into a brand name shop, look at the plasmas and lcd or led tv's next to each other and you will notice the lcd's are bright and colourful, the plasmas are a little duller but have a sharper/smoother picture. But then again again i've also heard lcd's are catching up with plasmas and you'll end up seeing the plasmas fade out.
Down the pipeline sarnie is 3d tv, which i think the man u arsenal game today is being shown in 3d in selected pubs. i was going to say this anyway but stay clear of 200Hz tv's my ex bought her dad one and it just looks terrible, you can turn it down but it still doesnt look the same. plus 3d tv isnt compatible with 200Hz tv's. you'll see sky bring out some 3d channels this year. I could be totally wrong but i think 24p means 24fps? which is what movies are actually shot at? so you watch movies as they are ment to be seen? thats off the top of my head, better googling it. Also if your wanting to get the best out of blu rays then get a tv with 1080p. Which reminds me sarnie, you do know that Sharp, Samsung and LG or a combination of 2 manufacture most lcd screens? So your tv might say Sony on the front, but on the inside it could be a Sharp. Fair enough Sony do make a few screens and some are Sony/Samsung. But still you never know!