ALL Antec Comparison tables, charts and calculators. (Left Hand Links)
http://www.antec.com/Believe_i.....log_flyers
ALL Intel Processor Comparisons and features
http://www.intel.com/products/...../index.htm
http://compare.intel.com/pcc/d.....ture=en-US
http://processorfinder.intel.c.....8;OrdCode=
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Need at least (2) Identical Hard drives for Raid 0 Configuration.
Need Different MB and i7 1366 Processor (Above Processor and MB Out-dated)
Suggest (NOTE 8 Core should be Released shortly)
http://www.newegg.com/Product/.....=Core%20i7
Best Regards,
Rick P.

When I built my system over a year ago, I used the GIGABYTE GA-X38T-DQ6 (4 of 5 eggs with 101 reviews for the X38 (DDR2) model) for the mobo, it is a DDR3. Nowadays, you would be looking at the X48T or X58T versions. Good idea to keep with the memory specs on the approved memory pages. To really cut down on lag on high setting (don't forget, monitor resolutions matter huge here) you will need to go with a crossfire or SLI solution depending upon your mobo, so make sure you get ATI cards if your mobo supports crossfire or nVidia if your mobo supports SLI.

My case and powersupply seem to be good as well as my videocard

what about the hard drive???

what about the memory???

Processor - Intel Core i7 920 Nehalem
http://www.newegg.com/Product/.....6819115202

Motherboard - NVIDIA nForce 790i Ultra SLI ATX Intel Motherboard
http://www.newegg.com/Product/.....6813141009

does this look alittle better?

isuckat computer, here is what i suggest if you are on a budget like i was when i built my PC like a month ago.
if you want the latest then YES by all means go for the new Corei7, but that means you will have to get a motherboard like Scottw said with the new 1366 socket, the older LGA775 supported CPUS from pentuiums all the way to quad core extreme, but the latest core i7 uses a different socket, which in turn means alot more money!!!
in my opinion, here is what you should get: great hardware and yet still not breaking the bank either.....

Intel Core 2 Duo E8400 3.0Ghz
XFX MBN790IUL9 LGA 775 NVIDIA nForce 790i Ultra SLI ATX Intel Motherboard DDR3 (see my previous link) its a great motherboard and reliable
CORSAIR DOMINATOR 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1800 (PC3 14400) Dual Channel Kit
Western Digital VelociRaptor WD3000HLFS 300GB 10000 RPM 16MB Cache SATA 3.0Gb/s Hard Drive - OEM (x2 if you want the raid 0 config)
Geforce 9800 Gtx (you will have a SLi motherboard (above) so later on you can get another 9800Gtx and double your power) NICE!!!
and the case and power supply you mentioned in the post.

all in all it will be a great gaming system. it wont be latest but it will be more than enough to play the latest games.
i have a similar system and i have no issues only happy gaming.

run me through the list of exactly you want to purchase and ill let you know if its compatible and so on, theres nothing as being too careful, its always good

as far as i can tell, your system will kick a**!!!!
all looks well, computability and stuff is good.
i have almost the identical system, all i can say is happy gaming!!!!