New System Please advise

I am building a new system for Gaming and will also do some small audio and vid work at home. I will post the build below but I just dont know if I should spend this much with Nelahem coming out later. I want this system to last for a while if possible but will the new Processors coming out kill this being a system I could get by with in 3 or 4 years (ie hand down to the kiddies)?? Please let me know your opinions.


ASUS P5E3 PREMIUM/WIFI-AP @n LGA 775 DDR3 Intel X48 ATX Intel Motherboard - Retail
Model #: P5E3 PREMIUM/WIFI-AP
Item #: N82E16813131276

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BFG Tech BFGE88512GTSE GeForce 8800GTS (G92) 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported Video Card - Retail
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PC Power & Cooling S75QB EPS12V 750W Power Supply - Retail
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Intel Core 2 Extreme QX9770 Yorkfield 3.2GHz LGA 775 136W Quad-Core Processor Model EU80569XL088NL - OEM
Model #: EU80569XL088NL
Item #: N82E16819115050

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Patriot Extreme Performance 4GB(2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Dual Channel Kit Desktop Memory Model PDC34G1600LLK - Retail
Model #: PDC34G1600LLK
Item #: N82E16820220275

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Western Digital Caviar SE16 WD6400AAKS 640GB 7200 RPM SATA 3.0Gb/s Hard Drive - OEM
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ASUS 20X DVD±R DVD Burner with LightScribe Black SATA Model DRW-2014L1T - Retail
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Item #: N82E16827135156

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Arctic Silver 5 Thermal Compound - OEM
Model #: ARCTIC SILVER 5
Item #: N82E16835100007

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XIGMATEK HDT-S1283 120mm Rifle CPU Cooler - Retail
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Nehalem is a new platform, so it won't be compatible with s775. I'm sure you know that. There's more to a new platform than gigahertz. One of the new advancements is that the Nehalem can do more things per cycle than any current C2Q's. On top of faster clock speeds & built-in memory controller (mch).

The QX9770 is a 45nm quad. If you have seen the benchmarks of QX9650, you wouldn't ask:

http://www.benchzone.com/page.php? [...] view&pg=10

The sad fact is 3-4 years later the QX9770 will be a 486.

This setup is funny, TBH. The motherboard/CPU/RAM choices are horrible, while all the other choices are excellent. Look at this:

P5E3 $370
QX9770 $1430
DDR3 4GB $390

You can get a system with almost the same performance for much less. In fact, since the hard disk speed is often the limiting factor in audio/video processing, you can get a system with THE SAME performance for much less.
The QX9770 will be better than a Q6600 only in things like Flight Simulator X.

I'd try this instead:

aBit IP35 Pro $140
http://www.newegg.com/Product/Prod [...] 6813127030

Q6600, $235
http://www.newegg.com/Product/Prod [...] 6819115018

Crucial Ballistix 4GB(2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400), $110
http://www.newegg.com/Product/Prod [...] stix%2b4GB

These changes save you $1705 and you lose almost no performance for the kind of work you do.

Also, I'd get two of those WD6400AAKS disks. If you do something that reads a large video and does something to it and saves it elsewhere (for example compression), it's much better if the source and destination are not on the same physical drive.