Sure it is! My thing is, recently, due to my fionce requests, I changed my 3 monitors into a 42" 1080p LG TV.
So, sure the image won't get as close to the quality as the monitors, but as I have SLI 780s, I can toss everything on it, and due to pixel size on the TV I kinda need all teh AA I can get!
Actually, with good 7.1 headphones and playing close to the TV (around 1m), with all antialiasing on on max, I'm enjoying games much more than I was on 3 monitors!
It can get SO immersive!!