I would like one for my dorm like a 10″ or so.

Answer:
Check out Best Purchase or Circuit City………….I 'm not sure what is in your area, but, a simple network search will lead you the way…….

Or…..maybe someone has a similar setup in your fraternity that you could ask………this way you could “check it out BEFORE purchasing to see if it'll actually be TOO small…………..cheers!

Answer:
I’ve seen portable DVD players that have built in TV tuners, they might do the trick.

Personally, I'd start looking at 15″ sets, where good electronics are sold.