Kingston 4GB (2x2GB) DDR2 1066MHz/PC2-8500 HyperX Memory CL5 Unbuffered Non-ECC
Cheap for 4GB of memory.
(taken from ebuyer)
It's Here - HyperX DDR2 memory, the next-generation evolution of DDR memory technology. Like all Kingston HyperX products, HyperX DDR2 modules were specifically engineered and designed to meet the rigorous requirements of PC enthusiasts. HyperX DDR2 offers faster speeds, lower latencies, higher data bandwidths and lower power consumption. HyperX is available in single and dual channel memory kits.