You'll probably want to get an LCD TV, not a plasma. LCD is best to use with computers, and still looks good.
Get this when you have enough :
http://www.newegg.com/Product/Product.asp?Item=N82E16889116006
Your max ammount of RAM will most likely be 4GB, but 2GB should be a maximum due to major bottlenecks. For best performance, get 2x 1GB sticks, and sell your 2x 512MB sticks or put them in another computer of yours.
Great sound card:
http://www.newegg.com/Product/Product.asp?Item=N82E16829102188
Great speakers:
http://www.newegg.com/Product/Product.asp?Item=N82E16836121121
Get this when you have enough :
http://www.newegg.com/Product/Product.asp?Item=N82E16889116006
Your max ammount of RAM will most likely be 4GB, but 2GB should be a maximum due to major bottlenecks. For best performance, get 2x 1GB sticks, and sell your 2x 512MB sticks or put them in another computer of yours.
Great sound card:
http://www.newegg.com/Product/Product.asp?Item=N82E16829102188
Great speakers:
http://www.newegg.com/Product/Product.asp?Item=N82E16836121121