That's everything but storage. Hard drives are triple what they were a couple of months ago, which makes SSDs look a lot more attractive. If you don't have a HDD lying around that you can use, and you NEED the space, I suggest Western Digital Caviar Black 500GB 7200 RPM ($130, + $8 s/h), which would bring your total to $624, $589 after rebates.
If you have an extra HDD lying around or you prefer speed to space, I suggest one of the following: OCZ Vertex 3 60GB ($110, total of $596, $541 after rebates) OCZ Agility 3 90GB ($140, total of $626, $571 after rebates) OCZ Agility 3 120GB ($170, total of $656, $601 after rebates)
Edit: changed CPU link from Newegg to Amazon — same price, no tax
Total prox $571
No video card.
You can get an I3 2120 for $129 if you don't want to overclock. Save $120 over the 2500K and HSF. Leaves $150+ for video.
HIS H687FN1GD Radeon HD 6870 1GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card $169.99 http://www.newegg.com/Product/Product.aspx?Item=N82E168...
the mobo and psu will allow for nice upgrades in the future such as the 7000 gpus or if amd will come out with better cpus also if you want 16 gb of ram. I'd suggest this over an intel build since you are going to OC as it is going to give you more performance generally. you can also choose a very cheap mobo for about $60 if you don't want the upgradability such as this: http://www.newegg.com/Product/Product.aspx?Item=N82E168...