Best 1000$ Desktop for Gaming(Parts)

1.CPU
Intel Core i5 Processor i5-2500K 3.3GHz 6MB LGA1155 CPU BOX80623I52500K

2. Motherboard
ASUS P8P67 <REV 3.0> LGA 1155 SATA 6Gbps and USB 3.0 Supported Intel P67 DDR3 2400 ATX Motherboard

3. GPU
Geforce GTX550 1GB PCIE2

4. Memory
G.Skill Ripjaws-X F3-12800CL9D-4GBXL - Memory - 4 GB : 2 x 2 GB - DIMM 240-pin - DDR3 - 1600 MHz / PC3-12800 - CL9 - 1.5 V - unbuffered - non-ECC

5. HDD
Seagate Barracuda 7200.12 SATA 6Gb/s 1 TB Internal Hard Drive with 32MB Cache (ST31000524AS)

6. PSU
Corsair Enthusiast Series 750-Watt 80 Plus Bronze Certified Power Supply compatible with Intel Core i3, i5, i7 and AMD platforms 750TX v2

7. CPU HSF
Cooler Master Hyper 212 Plus 120mm Sleeve CPU Cooler, RR-B10-212P-G1

8. Case
Cooler Master HAF ATX Mid Tower Case, RC-922M-KKN1-GP (Black)

9. Monitor
LG E2260V-PN 21.5-Inch Super Slim Widescreen LED LCD Monitor - Black

10. Optical Drive
New LG Electronics LG DVDRW GH24NS70 24X SATA With Software Cyberlink Black Bare 128MB Memory

Best 2000$ Desktop Build from Scratch for Gaming

1. Case

Cooler-Master Haf X: Ultimate Full Size Gaming Chassis

2. CPU

Intel Core i7 Processor i7-2600K 3.4GHz 8MB LGA1155 CPU BX80623I72600K

3. CPU HSF

Cooler Master V8 Nickel Plated Copper Base Aluminum Fins 8 Heatpipes Core i7 1366 CPU Cooler - (RR-UV8-XBU1-GP)

4. HDD

Seagate Barracuda 7200.12 SATA 6Gb/s 1 TB Internal Hard Drive with 32MB Cache (ST31000524AS)

5. Memory

G.SKILL 8GB (2 x 4GB) Ripjaws X Series DDR3 1600MHz 240-Pin PC3-12800 Desktop Memory F3-12800CL9D-8GBXL

6. Monitor

LG E2260V-PN 21.5-Inch Super Slim Widescreen LED LCD Monitor - Black

7. Motherboard

ASUS P8P67 DELUXE <REV 3.0> LGA 1155 SATA 6Gbps and USB 3.0 Supported Intel P67 DDR3 2400 ATX Motherboard

8. PSU

Corsair Enthusiast Series 750-Watt 80 Plus Bronze Certified Power Supply compatible with Intel Core i3, i5, i7 and AMD platforms 750TX v2

9. SSD

Corsair 120 GB Force Series Ultra Fast TRIM Supported Solid State Drive CSSD-F120GB2-BRKT

10. GPU

ASUS ENGTX580 DCII/2DIS/1536MD5 - Graphics adapter - GF GTX 580 - PCI Express 2.0 x16 - 1.5 GB GDDR5 - DVI, HDMI, DisplayPort