For those of you who want to go all out and get a gig of memory, then this is the one for you. Corsairs Dual channel memory. Two sticks of 512MB memory.

System Specs: 

Size: 1024MB (2x 512MB)

Type: DDR PC 3200

Speed: 400Mhz

ECC Registered

Average Price: $225

Comments: 

This is the best dual channel memory set available for gamers today. While you may be a little hesitant to spend $225 on memory, it's well worth the money.