I am currently using a Olevia HDTV as my display. It's native resolution is 1360x768, I was thinking of buying a 40inch 1080p hdtv to replace it. Any suggestions? The colors are kind of crap because its not a name brand tv like samsung or sony. Would I see a huge difference in image sharpness bumping up to 1080p from what I currently have now? I used my PC primarily for gaming and watching movies.
My specs for my PC are
Processor: i5 2500k
Memory : 8gb
Video card : EVGA 560 ti w/ 2gb memory
I highly suggest you keep that TV as a TV and for watching movies on, and buy a monitor - a smaller monitor running at 1080p is going to look even better than a large one. (But yes, there will be a HUGE difference - I went from 900p to 1080p, and even that is extremely noticeable.)
That being said, a 560ti isn't going to be maxxing out games at 1080p, though I don't know if it could do that for you at 780p, either.