The new 640gb sata model by WD was interesting to consider since I had pondered on that or buying a 750gb model for a primary storage device. I ended up however simply grabbing an external 500gb model to supplement the pair of 500gb sataa already in the case. At the time the 500s each saw the $104.99 price when ordered.
The price on memory for DDR2 667 laptop memory was surprisingly cheaper at newegg when looking at prices for a friend who wants to upgrade a used portable then see for DDR400 memory even while OCZ is one of the top few brands. Newegg won't help you much for OCZ seeing only 2gb of value ram for $60.99 at
Newegg.com - OCZ Value Series 2GB (2 x 1GB) 184-Pin DDR SDRAM DDR 400 (PC 3200) Dual Channel Kit Desktop Memory - Desktop Memory