http://www.amazon.com/Intel-Celeron-2-60GHz-Processor-BX80637G1610/dp/B00B4BJYVU/ref=sr_1_6?s=pc&ie=UTF8&qid=1375994554&sr=1-6&keywords=lga+1155
http://www.amazon.com/EVGA-EATX-Extended-DDR3-Intel/dp/B005G2U6HY/ref=sr_1_6?s=pc&ie=UTF8&qid=1375994105&sr=1-6&keywords=4+way+sli
There you go. That mother board with risers should hold 6 + 1 more in the pcie 1x slot "the little tiny one" So 7 in total.
Edit: On amazon there are a few open box listing for that motherboard for $100.