I have been shopping on newegg:
Optical Drive 1. ASUS 24X DVD Burner
HHD 2. WD BLACK SERIES WD1003FZEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
USB WiFi 3. Rosewill RNX-N180UBE Wireless Adapter IEEE 802.11b/g/n USB 2.0
VGA 4. EVGA 03G-P4-3784-KR GeForce GTX 780 3GB
PSU 5. Rosewill HIVE Series HIVE-650 650W Continuous @40°C (Modular)
RAM 6. G.SKILL Sniper 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600
MOBO 7. GIGABYTE GA-H87M-D3H LGA 1150 Intel H87 HDMI SATA 6Gb/s USB 3.0 Micro ATX Intel Motherboard
CPU 8. Intel Core i5-4670 Haswell Quad-Core 3.4GHz LGA 1150
CPU Cooler 9. CORSAIR Hydro Series H50 Quiet Edition Water / Liquid CPU Cooler. 120mm
OS 10. Microsoft Windows 7 Home Premium SP1 64-bit - OEM
Case Fans 11. Cooler Master Sleeve Bearing 120mm Silent Fan (4 fans)
Case 12. Rosewill LINE-M Micro-ATX Mini Tower Computer Case
Optical Drive 1. ASUS 24X DVD Burner
HHD 2. WD BLACK SERIES WD1003FZEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
USB WiFi 3. Rosewill RNX-N180UBE Wireless Adapter IEEE 802.11b/g/n USB 2.0
VGA 4. EVGA 03G-P4-3784-KR GeForce GTX 780 3GB
PSU 5. Rosewill HIVE Series HIVE-650 650W Continuous @40°C (Modular)
RAM 6. G.SKILL Sniper 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600
MOBO 7. GIGABYTE GA-H87M-D3H LGA 1150 Intel H87 HDMI SATA 6Gb/s USB 3.0 Micro ATX Intel Motherboard
CPU 8. Intel Core i5-4670 Haswell Quad-Core 3.4GHz LGA 1150
CPU Cooler 9. CORSAIR Hydro Series H50 Quiet Edition Water / Liquid CPU Cooler. 120mm
OS 10. Microsoft Windows 7 Home Premium SP1 64-bit - OEM
Case Fans 11. Cooler Master Sleeve Bearing 120mm Silent Fan (4 fans)
Case 12. Rosewill LINE-M Micro-ATX Mini Tower Computer Case