My computer was $993 with a monitor after shipping from Newegg.
6gb DDR3 G.Skill ram
AMD Phenom II X4 965 Black Ed. 3.4GHz
XFX Radeon HD 5770
GIGABYTE GA-880GA-UD3H Motherboard
Antec Earthwatts 500w PSU
Antec 300 case w/ 2 extra 120mm fans
Samsung 1tb hard drive
Samsung SyncMaster P2250 22" monitor
I can play Bad Company 2 on max settings, full AA, Vsync, using DX11 getting 35-40fps according to FRAPS.
I am dual booting Linux Ubuntu and Windows 7. I use windows for gaming and everything else is done with Ubuntu. I love ubuntu. The Rhythmbox music player on linux is amazing, especially with the keyboard shortcuts where I can change/pause a song at any time, with anything open. If you want me to rant about how much better rhythmbox is over iTunes, let me know.
Linux REALLY loves the quad core processor. When I was testing fooling around I saw that each core had equal load on it. My only gripes with linux is that the flash player driver sucks and I can't sync playlists to my iPod. Both will probably be fixed in the future, when google hopefully replaces the crap adobe flash POS and developers perfect using the iPhone with Linux.
I am looking at a chipset heatsink, more fans, a new CPU cooler, and a few other things. I don't need 6gb ram (I've only seen it above 4gb once when I was trying to bog down the computer) so I think I might built a HTPC and use a stick for that.
Edit: And my processor is more efficient than all of those intel processors.