Yea, I just did some comparisons on anandtech and i was pleased. Most gaming that I've done has been on my laptop with a Radeon 5450M 512MB so i'll even see a big increase from that. And as far as resolution, the monitor thats hooked to the desktop is a cheaper LCD display with a very odd resolution of like 1367x 942 or some weird thing like that. My main game is WoW which I can run on good-high on my laptop with 30+ Frames even in major laggy areas. But I'm curious to see what STALKER and Metro 2033 looks like with DX10/DX11 Lighting and Shadows :3
With that resolution you can run your games at high settings...have you ever considered buying 1080p LED monitor? 22" go for $130ish
If it were completely for me I would probably do that. However it is a family PC that will mainly be used by my mother for her picture editing. The monitor we have will do just fine for her purposes. That being said, I do hope to have a 2000ish dollar budget within the next few months to build a computer for my college career, in which I'll be back for more advice.