Need advice on new build!!

Hey, my last cpu was homebuilt and the parts didn't work well with eachother so i want to make sure all these components will work. I will be using this computer for a lot of web design and gaming. Im not looking for top of the line but i need something that pulls. my budget is around 1300. heres what i have picked out.

Case
CoolerMaster CM 690 Gaming Tower Case Black

Processor
Intel® Core™ i7 920 Processor (4x 2.66GHz/8MB L3 Cache)

Processor Cooling
Certified CPU Fan and Heatsink

Memory
6 GB [2 GB X3] DDR3-1333 Triple Memory Module-Corsair Value or Major Brand

Video Card
ATI Radeon HD 4850 PCI-Express x16 – 1GB Single Card

Motherboard
Asus P6T SE Intel X58 Chipset CrossFire Supported w/7.1 Sound, Triple-Channel DDR3, Gb LAN, S-ATA Raid, USB 2.0, Triple PCI-E MB

Power Supply
800 Watt -- Power Supply-Quad SLI Ready

Hard Drive
500 GB HARD DRIVE-[Serial-ATA-II, 3Gb, 7200 RPM, 16M Cache]

Optical Drive
[** Special !!! ***] LG 22X Dual Format/Double Layer DVD±R/±RW + CD-R/RW Drive-Black

2nd Optical Drive
[5X Blu-Ray] Sony Optiarc BC-5100S BLU-RAY Reader & DVD±R/±RW Burner Combo Drive

Flash Media Reader/Writer
12-In-1 Internal Flash Media Card Reader/Writer-Black

Sound Card
3D Premium Surround Sound Onboard

Network Card
Onboard LAN Network (Gb or 10/100)
Operating System

Microsoft Windows Vista Home Basic + [Free 60-Day !!!] Microsoft Office 2007(Word, Excel, Outlook, PowerPoint, Access ....) 64-Bit

Thanks!