Is my computer any good?

Is my comp any good? My cousin bought it for me. Wouldn't tell me how much it cost. But the comp looks really kool. And I found the Spec of the comp that came within the box. And yes... hes rich, otherwise, no one will buy a comp. lol. Anyone wanna tell me how much it should cost and how good it is? So I can repaid my cousin? Alienware P2 Chassis: Alienware® P2 ALX Chassis with AlienIce™ 3.0 Video Cooling - Saucer Silver Chassis Customization : Alienware® AlienFX® System Lighting - Nova Yellow System Cooling: Alienware® ALX High-Performance Liquid Cooling Acoustic Dampening: Alienware® Acoustic Dampening Power Supply: Alienware® 1200 Watt Multi-GPU Approved Power Supply Graphics Processor: Triple 1GB NVIDIA® GeForce® GTX 280 Video Optimizer: AlienAdrenaline v1.0: Video Performance Optimizer - More Info Processor: Intel® Core™ 2 Extreme QX9770 3.2GHz - Overclocked to 4.0GHz 12MB Cache 1600MHz FSB Memory: 4GB Corsair Dominator Overclocked Dual Channel DDR3 SDRAM at 1600MHz - 4 x 1024MB Motherboard: Alienware® Approved NVIDIA® nForce® 790i Ultra SLI™ Motherboard Includes PCI-Express 2.0, DDR3 Memory, and Support for Intel 1600 FSB Operating System (Office software not included): Windows Vista® Ultimate with Service Pack 1 System Drive: Extreme Performance (RAID 0) - 128GB (64GB x 2) SATA Solid State Drive Additional Storage Drive: Additional Storage Drive - 2TB (2 x 1TB) SATA 3Gb/s 7,200RPM w/ 2 x 32MB Cache Optical Drives : Single Drive Configuration - 4x Dual Layer Blu-ray Burner (BD-RE, DVD±RW, CD-RW) Enthusiast Essentials: Dual High Performance Gigabit Ethernet Ports Sound Card: High-Definition 7.1 Performance Audio Additional Monitors: 27'' Dell 2707WFP – 1920 x 1200 (6ms) Widescreen Flat Panel Speakers: Logitech® G51 Surround Sound Speaker System Keyboard: Gaming Keyboard - Logitech® G15 Keyboard Mouse: Gaming Mouse - Logitech® G9 Gaming Mouse Exclusive ALX Extras: Alienware® Mesh Cap Exclusive ALX Extras: Alienware® ALX Mousepad Ex [...]