512MB PC2100 Registered ECC DDR SDRAM-$69

[Chaotic42]

I posted this at 2CPU, thought someone here might find it useful:

http://www.starmicroinc.net/detail.aspx?ID=366]http://www.starmicroinc.net/detail.aspx?ID=366[/URL]

They have a 4.94 Reseller Rating, but the price is decent.