I just want to make sure that I didn't overlook anything and that everything is compatible. OS not listed.
CPU:
http://www.microcenter.com/product/398008/Pentium_Processor_G2120_310GHz_LGA_1155_Boxed_Processor
MOBO:
http://www.ebay.com/itm/MSI-B75MA-E33-LGA1155-Intel-B75-DDR3-SATA3-USB3-0-Micro-ATX-Motherboard-MB-/380454550834?pt=Motherboards&hash=item5894dbbd32
RAM:
http://www.ebay.com/itm/CORSAIR-XMS3-8GB-2-x-4GB-240-Pin-DDR3-SDRAM-DDR3-1600-PC3-12800-Desktop-/380471640687?pt=US_Memory_RAM_&hash=item5895e0826f
HDD:
http://microcenter.com/product/399499/Vertex_3_SSD_Series_90GB_25_Solid_State_Drive
Graphics Card:
http://www.ebay.com/itm/NEW-Gigabyte-GV-R645-1GI-Radeon-HD-6450-1GB-DDR3-PCIe-HDMI-DVI-VGA-Low-Profile-/330793933208?pt=PCC_Video_TV_Cards&hash=item4d04dad998
Case/PSU:
http://www.newegg.com/Product/Product.aspx?Item=N82E16811108420
Optical Drive:
http://www.ebay.com/itm/LG-GH24NS90B-24X-SATA-Black-Super-Multi-DVD-Internal-Drive-/400312251338?pt=US_CD_DVD_Blu_Ray_Drives&hash=item5d347833ca
CPU:
http://www.microcenter.com/product/398008/Pentium_Processor_G2120_310GHz_LGA_1155_Boxed_Processor
MOBO:
http://www.ebay.com/itm/MSI-B75MA-E33-LGA1155-Intel-B75-DDR3-SATA3-USB3-0-Micro-ATX-Motherboard-MB-/380454550834?pt=Motherboards&hash=item5894dbbd32
RAM:
http://www.ebay.com/itm/CORSAIR-XMS3-8GB-2-x-4GB-240-Pin-DDR3-SDRAM-DDR3-1600-PC3-12800-Desktop-/380471640687?pt=US_Memory_RAM_&hash=item5895e0826f
HDD:
http://microcenter.com/product/399499/Vertex_3_SSD_Series_90GB_25_Solid_State_Drive
Graphics Card:
http://www.ebay.com/itm/NEW-Gigabyte-GV-R645-1GI-Radeon-HD-6450-1GB-DDR3-PCIe-HDMI-DVI-VGA-Low-Profile-/330793933208?pt=PCC_Video_TV_Cards&hash=item4d04dad998
Case/PSU:
http://www.newegg.com/Product/Product.aspx?Item=N82E16811108420
Optical Drive:
http://www.ebay.com/itm/LG-GH24NS90B-24X-SATA-Black-Super-Multi-DVD-Internal-Drive-/400312251338?pt=US_CD_DVD_Blu_Ray_Drives&hash=item5d347833ca