I'll spare you all the short book I wrote for my last build ;-)
This was a pretty straight forward build that came to be as the result of an impulse purchase by me and good timing by my friend wanting to build a system. I found the 290 on ebay and bought it since it was almost $50 cheaper than anything I had seen comparable before as a buy it now. I tried to run it in crossfire in my personal build but the fans rubbed the backplate on my PCS+ 290.
So we got him an i5 from microcenter, and used an SSD he had gotten for Christmas, but didn't put in his laptop due to limited space (will update with exact SSD later). The N200 turned out for a pretty nice looking little system, and seems to have pretty good airflow too.
We overclocked the i5 to 4GHz at 1.12V (need to check for 100% stability but survived several hours of stress testing so seems okay for gaming) and it seemed to stay under 70C in a 20C room which impressed me a bit. Also overclocked the GPU to 1075/1300 core/mem and it gets 59.5FPS on Unigine Valley vs 55 or 56 stock.