I dont know much about computers, but somone suggested this to me. Should I buy this?

Case ( Standard ATX Mid-Tower Case w/350W Power Supply [no side window] Black/Silver 2-Tone )
Case Lighting ( None )
Power Supply ( Standard Case Power Supply )
Processor ( Intel Core 2 Duo Processor E8400 (2x 3.0GHz/6MB L2 Cache/1333FSB) )
Processor Cooling ( Certified CPU Fan and Heatsink )
Motherboard ( Asus P5KPL-CM Intel G31 Chipset w/6-channels, Gb LAN, S-ATA 3Gb/s, USB 2.0, Single PCI-E MB )
Memory ( 2 GB [1 GB X2] DDR2-800 PC6400 Memory Module Corsair-Value or Major Brand )
Video Card ( ATI Radeon HD 3450 256MB PCI-Express x16 )
Video Card Brand ( Major Brand Powered by NVIDIA )
Hard Drive ( 160 GB HARD DRIVE [Serial-ATA-II, 3Gb, 7200 RPM, 8M Cache] == Double Your Hard Drive to 320GB For Free )
2nd Hard Drive ( None )
External Hard Drives [USB 2.0/eSATA] ( None )
CD/DVD Drive ( None )
CD-RW/DVD-RW Drive ( [** Special !!! ***] 20X Dual Format/Double Layer DVD?R/?RW + CD-R/RW Drive Black )
Sound Card ( 3D Premium Surround Sound Onboard )
Speaker System ( 600W PMPO 3 PCS Super Bass Subwoofer Speaker System )
Network Card ( Onboard LAN Network (Gb or 10/100) )
Floppy Drive ( None )
Monitor ( 17" TFT LCD Monitor [Black] )
2nd Monitor ( None )
Keyboard ( PS/2 104 Key Windows 98 Keyboard Beige )
Mouse ( Microsoft Intellimouse Explorer 3.0 )
USB 2.0 Accessories ( Built-in USB 2.0 Ports )
Meter Display ( None )
Flash Media Reader/Writer ( 12-In-1 Internal Flash Media Card Reader/Writer Black )
Operation System ( None- Pre-formatted Hard Drive Only )
Media Center Remote Control & TV Tuner ( None )
USB Flash Drive ( None )
MP3 Player ( None )
TV Tuner ( None )
Video Camera ( None )
Headset ( None )
Power Protection ( None )
Warranty ( Warranty Service Standard 3-Year Limited Warranty + Lifetime Technical Support )
Rush Service ( Rush Service Fee (not shipping fee) No Rush, Ship Out in 5~10 Business Days )

Total Price: $670