RAM Update Recommendation - Corsair XMS2 2GB DDR2 800MHz

[Realityshift]

G.SKILL F2-8500CL5D-4GBPK PC2-8500 4GB 2X2GB DDR2-1066 CL5-5-5-15 240PIN Dual Channel Memory Kit - DirectCanada

G.SKILL F2-6400CL5D-4GBPQ PC2-6400 4GB 2X2GB DDR2-800 CL5-5-5-15 240PIN Dual Channel Memory Kit - DirectCanada

G.SKILL F2-8000CL5D-4GBPQ PC2-8000 4GB 2X2GB DDR2-1000 CL5-5-5-15 240PIN Dual Channel Memory Kit - DirectCanada

Mushkin XP PC2-6400 4GB 2X2GB DDR2-800 CL4-4-4-12 240PIN DIMM Dual Channel Memory Kit - DirectCanada

Some nice ram kits for good prices, I personally like the G.Skill DDR2 1000 for $60, they run at DDR2 800 with cas 4 timings, but can overclock really well with cas 5. Im pretty certain those mushkins will do 1066 @ cas 5 and higher too.