Lovely work mate, I envy your photoshop skills! love it!
I made a few 1600p renders if you want to give them a go.
http://www.shenmuedojo.net/forum/viewtopic.php?f=37&t=41102&start=525at 1080p you cant really make out any details
1600p and similar resolutions make 1080p look like 800x600 if you can pick a up a cheap CRT go for it! You wont regret it!