you could lower the HDD size if you wanted....but that build looks great
here's a good RAM deal
Newegg.com - A-DATA 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory - Retail
the ballistix come upto the same price after rebates.
it he doesnt wanna deal with rebates then the a data is a good choice