How do you feel about these components?
$130 Intel Core i3-2120 hyperthreading dual-core 3.3 GHz LGA1155 processor
It's 200 MHz faster than the Core i3-2100 for just $3 more.$125 -17 combo Asus P8H67-M Evo LGA1155 motherboard
or $122½ -17 combo Gigabyte GA-Z68MA-D2H-B3
These micro-ATX motherboards can do everything that a larger (and more expensive) ATX motherboard can do. Asus has the best UEFI implementation, but Gigabyte offers the Z68 chipset for what Asus charges for the H67.$35 2x4 GiB PC3-10600 Kingston KVR1333D3N9K2/8G (DDR3-1333, CAS 9, 1.5 V) memory
or $40 2x4 GiB PC3-12800 Corsair Vengeance CML8GX3M2A1600C9 (DDR3-1600, CAS 9, 1.5 V)
or $50 2x4 GiB PC3-14900 G.Skill Sniper F3-14900CL9D-8GBSR (DDR3-1866, CAS 9, 1.5 V)
This is plenty of memory. The H67 chipset will downclock the faster memory to 667 MHz (DDR3-1333), anyway.$150 -20MIR Gigabyte GV-R685OC-1GD Radeon HD6850 (820 MHz) graphics card
or $170 -20MIR HIS H687FN1GD Radeon HD6870
or $185 -15MIR EVGA 01G-P3-1460-KR GeForce GTX560
or $230 -30MIR XFX HD-695X-ZNFC Radeon HD6950 1GB
or $230 -20MIR EVGA 01G-P3-1561-KR GeForce GTX560Ti (850 MHz)
The graphics card will have the largest influence on your gaming experience, especially at higher resolutions.$0 Integrated audio
$96¼ 500 GB Hitachi HDS721050CLA362 hard-dirve
Hard-drives are 2½ to 3 times as expensive today as they were two months ago. $19 Samsung SH-222AL DVD burner
or $52 Samsung SH-B123L BD-ROM/DVD-RW
or $80 Sony BD-5300S Blu-ray burner
$95 Antec Three Hundred ATX mid-tower case with Antec Basiq BP430 (32 A) power supply
or $35 Cheap Micro-ATX mid-tower case
and $35 -10MIR Antec Neo Eco 400C (30 A on +12V rails) power supply
or $51 -4½ code "CorsairTXMG12" -20MIR Corsair CX430 V2 (28 A)
or $47 Antec EarthWatts EA-380D (28 A)
or $72 -7 code "CorsairTXMG12" -10MIR Corsair CX600 (40 A)
The Antec Three Hundred is a well-ventilated case with much better build quality than the Rosewill, CoolerMaster or Gigabyte cases that cost half as much.$100 Microsoft Windows 7 64-bit Home Premium OEM
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$733¼ -20MIR
Do you already have monitor, keyboard, mouse, speakers, headphones, etc? Do you have any components in your existing system that you would want to re-use?