Rosewill HIVE Series HIVE-650 650W Continuous @40°C, 80 PLUS BRONZE Certified, Modular Design, Single +12V Rail
Item #: N82E16817182132
Rosewill CHALLENGER Black Gaming ATX Mid Tower Computer Case
Item #: N82E16811147153
Grand Total: $499.63
Anything below this and you would get more bang for your buck picking up a pre-built emachine from best buy. You could use this last combo in the $650 and $950 builds to turn them into $600 and $900 builds instead, but having built many custom computers over the years 90% of all clients are the most excited about how their computer looks. The 410 case is just an amazing deal for the quality and how great you can make it look for a client, or yourself, with cable management. It makes blowing out the dust with a can of air incredibly efficient and easy. If you do not have access to a copy of windows I suggest just picking up the $100 OEM Windows Home Premium, or if you're savvy and don't mind dealing with bugs download and burn an ISO of windows 8. Some people try to tell you that its "illegal" to use an OEM windows copy for a new build - they're 100% wrong. Newegg wouldn't sell them otherwise, and you can email Microsoft yourself if you want. I stay away from ATI/AMD graphics cards due to compatibility issues and bugs. Once you service old builds you did for clients for a while, you quickly get tired of phone calls regarding ATI driver problems. The occasional issue you have with them is just not worth the minor cost savings for a slight performance increase in some games.
Also to note, all graphics cards should be swapped to whatever 600 series is coming out - when they come out, AND are available. I think the 580's price is an absolute steal right now. Its an amazing card and runs very cool. I also do not suggest SLI, its just not cost effective for the power supply increase in cost, the extra heat=wear on your parts, and yet again driver issues. I've only built 2 computers with SLI and that was because the client absolutely wanted to throw X amount of dollars at the computer. I had too many phone calls having to walk people through driver upgrades and settings to fix problems on certain games.
This list is for reliable computers that you should just be able to turn on and play. I hate what hard drive costs have done to the quality of computers.
12-20 builds a year for the past 5 years, no computers I've build (all with rosewill psu's) have had the psu die. 2 came in doa and I was refunded shipping costs to RMA. Newegg stands behind their rosewill products, and they are very good power supplies. You should look at the research toms did on who the real OEM is for rosewill psu's. And I listed my reasons for not using ATI/AMD.
*edit: I have had to replace 2x 90mm fans in them, one of 2 in a 950w psu, and one in a 500w psu. But none have died.