Looking for a mid-level gaming laptop

1_What is your budget? Approximately $1200

2_What is the size of the notebook that you are considering? At least 15.4"

3_What screen resolution do you want? Something like WXSGA would be nice, but it's not really necessary

4_Do you need a portable or desktop replacement laptop? Desktop replacement

5_How much battery life do you need? Not an issue

6_Do you want to play games with your laptop? If so then please list the games that you want to with the settings that you want for these games. (Low,Medium or High)? Games I've recently played are Champions Online, Fallout 3, TF2. At least medium setting.

7_What other tasks do you want to do with your laptop? (Photo / Video editing,watching movies, Etc.)
Not much
8_How much storage (H.D.D Capacity) do you need?
Approximately 500GB
9_If you are considering specific sites to buy from, please post the links to them.

10_How long do you want to keep your laptop?
3+ years
11_What kind of Optical drive do you need? DVD ROM/Writer,Bluray ROM/Writer,Etc ?
I barely use the one I have
12_Please tell us about the brands that you prefer to buy from them and the brands that you don't like and explain the reasons.
No real bias in either direction
13_What country do you live in?
U.S.A.
14_Please tell us any additional information if needed.

Thank you everyone in advance for any help you can give me.

Thank you for the advice. It does look like it would meet my needs. Out of curiosity, is it common for Asus to leave a product at 32-bit driver support without an ability to upgrade?