Just bought some of this memory from Play and it was about the best price value I could find. DDR2 seems to have gone up a little recently?
Looks pretty good as well with heatsinks.
Geil GX24GB6400C6DC / PC2 6400 / 4GB / DDR2 800MHz / 6-6-6-18 / Brush Aluminum / Value PC Memory
2 x 2GB sticks.
Don't forget RAC discount & quidco