Sorry forgot you posted this.
Funny you asked there was that same discussion a few months back.
Here's the link;
http://zilvia.net/f/off-topic-chat/2...r-monitor.html
I had wanted to do the same, albeit with a more modest 40" 1080p LCD TV.
Actually, I did end up hooking my computer to my brother's 50" 1080 plasma.
Eventually I ended up just getting a 27.5" computer monitor and was happy with that.
The TV would be great for watching movies, tv, and maybe playing PC games.
The thing is, as mentioned prior on this thread buy other posters, the resolution settings for a hdtv @ 1080p is still a good deal lower than your average monitor.
I'm running a slightly higher 1920x1200 resolution on my 27.5" and its absolutely perfect for doing research, writing papers, etc.
It's almost like running a dual monitor setup.
Typing is pretty tiring on a large screen at lower resolution.
Maybe a 40" at 1080p would be fine.
Could be that 50" works out good for you too.
Just make sure your computer's video card supports that resolution.
About the sound system, I just mentioned I have it for myself.
I didn't imply you need something like that.