Help Reasure my build

[KarmaPolice]

Ok I plan to buy this computer by the end of the day and have all be over with. Sorry if i have been annoying i am just really concerned about the right parts at the right time. Anyway here is the list of what i will probably build. If anyone sees anything wrong please say something, all opinions are wecome.
AMOUNT TO SPEND:2000G tops

Here is the list that i would purchase:

AMD64
3400+ Socket 754

http://www.newegg.com/app/viewProductDesc.asp?description=19-103-484&catalog=23&manufactory=BROWSE

Price: 416.00
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eVGA 6800GT
http://www.evga.com/products/moreinfo.asp?Part_Number=256-A8-N344-AX

Price: 399.99
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2x512MB Crucial PC3200
http://www.newegg.com/app/viewProductDesc.asp?description=20-146-541&catalog=23&manufactory=BROWSE

Price: 180.00
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Western Digital 160GB 7200RPM
http://www.newegg.com/app/viewProductDesc.asp?description=22-144-152&catalog=23&manufactory=BROWSE

Price: 109.50
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DVD-R Dual Layer NEC 8X
http://www.newegg.com/app/viewProductDesc.asp?description=27-152-023&catalog=23&manufactory=BROWSE

Price 76.99
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Antec True 430 PS
http://www.newegg.com/app/viewProductDesc.asp?description=17-103-908&catalog=23&manufactory=BROWSE

Price: 43.00
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Asus K8T800 754 socket
http://www.newegg.com/app/viewProductDesc.asp?description=13-131-490&catalog=23&manufactory=BROWSE

Price: 113.00
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Mouse MX510
http://www.newegg.com/app/viewProductDesc.asp?description=26-104-151&catalog=23&manufactory=BROWSE

Price: 43.00
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Creative Labs Sound Blaster Audigy2 ZS Gamer
http://www.newegg.com/app/viewProductDesc.asp?description=29-102-171&catalog=23&manufactory=BROWSE

Price: 110.00

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The main concern i have is with the CPU and Memory. I am really thinin the 3400 is bettter then the 3500 but i was hearing something about Ram being better for each kind and i have no clue which one is better...

That is what i plan to but, any help is deaply appretiated!

 

[Xeese]

I would switch to the 3200, not $150 worth of performance difference, but that is just me.