Judge my build. Gamer Build $500-600

Ahhh my links didn't work? I don't know what I did wrong? NM Got it!

Are these the only components that you need, because I see a HD, & DVD Burner missing?

I would also say that you are overkill in the CPU department for budget gaming build. I would go with the i3 2120 (if you stay with Intel CPU's) and use the 560 Ti or AMD 6950 for the GPU, it would be close in price.

I would also consider a z68 based mobo, just to get Quick Sync options and the better platform, IMHO.

~$130 shipped
ASRock Z68 Extreme3 Gen3 LGA 1155 Intel Z68 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard

I was figuring to go with the i5 2500k so I have something to build off of and will be good for awhile. I plan to overclock also but the main goal is a gaming PC. I was also thinking of using SLI and getting (2) of the GTX 460's since they are a good price with the rebate? I have the hard drive and DVD Burner from an old comp so I was planning on using those to lower costs.

I would still recommend getting a z68 based mobo. This way you have all of the options that you would need and not be limited by the p67 based mobo. The 2500k is a good CPU, but your system isn't balanced for the budget, that is why I suggested the i3 2120 and a 560Ti or 6950 GPU. This setup would net you the most gaming for the $, but if you want to stick with the 2500k that is fine too.

I wouldn't bank on the rebates, because they more difficult to cash in on them, so keep that in mind. I try to get items that are solid and are rebate free (promo codes are the best, IMHO). It's up to you, but most rebates are 1 item per address, so getting 2 x 460's w/rebate will probably be out of the question. You should be able to get the first 460 w/rebate, but the 2nd you might be out of luck (I haven't checked to see if this is the case, but I'd research it to be sure).

I'm not a big fan of your case selection, because it only comes w/1 120mm fan. I'd opt for a case w/2 or more case fans for similar $, IMHO. I like some of Rosewill cases around the $50 price range. I do like the Cooler Master HAF (High Air Flow) 912, because it has lots of flexibility (placement of HD's can be changed) and it also comes w/2 x 120mm fans. It also has room for good cable management and also room for a water cooling setup, if you go that far with it. It's usually around $50-60 and well worth it, IMHO.

Currently $66 shipped!
COOLER MASTER HAF 912 RC-912-KKN1 Black SECC/ ABS Plastic ATX Mid Tower Computer Case

On the lower end of $:
$45 shipped! 2 x 120mm fans and good basic specs:
Rosewill REDBONE Black SECC Steel ATX Mid Tower Computer Case

It's up to you what you want to do, but look at some of my suggestions and make an informed decision.

Luny is right. Go with the Z68 Asrock. GTX 460's SLI'ed are sweet.
Your $600 build has turned into an $800 build.

And listen about his case recommendation. I've worked with the V3 and the thing is just cheap. Awful build quality, just feels flimsy. I just got a chance to build a system with the Cooler Master HAF 912 and that is a really solid case.