Looking to buy a new pc

[v85rawdeal]

I am currently in the process of getting a new PC in order to facilitate much better working practices at home. (plus a bit of crafty gaming on the side), Looking to spend no more that £600 on it.

Looking at the following spec from Eclipse Computers. What do people think?
Motherboard
Asrock M3A770DE AM3, DDR3, PCI-E, 5.1Snd, LAN, ATX
Processor
AMD Phenom II X4 965 Black Edition AM3 Processor - Retail
Memory Slot 1
4Gb (2X2Gb) Dual Channel DDR3 1333Mhz Memory
Memory Slot 2
4Gb (2X2Gb) Dual Channel DDR3 1333Mhz Memory
Graphics Slot Crossfire 1
1024Mb ATi Radeon HD 5570 PCI-Express VGA Card
CrossFire 2 (Must be same as CF 1 Slot)
1024Mb ATi Radeon HD 5570 PCI-Express VGA Card
Network
Wireless-N PCI Network Card
Hard Drive 1
1TB Samsung Spinpoint F3 7200rpm S-ATAII 32MB Hard Drive
Optical Device 1
NEC AD-5260S-0B 24x+/-DVD-R SATA DL DVD Writer - Black
Floppy Drive Bay 2
All-In-One Internal USB2.0 Card Reader (3.5 Inch Bay) -Black
Power Supply Units
EZCool Infinity 700W ATX, PFC PSU
Case Cooling - Rear
Zalman ZM-F3 120x120x25mm Silent Fan
Operating System
MicroSoft Windows 7 Home Premium – 64Bit, OEM


They will also do the build for me, which is good as I neither lack the time or the confidence to do it myself.