KINGSTON value ram KVR1066D3N7/512 512mb 1066mhz cl7 240-pin ddr3 dimm
KINGSTON kvr400x64c3a/512 512mb pc3200 400mhz cl3 (3-3-3) ddr dimm
CORSAIR TW3X4G1600C9DHX 4gb kit (2gb x 2) 1600mhz matched pair 9-9-9-24 240-pin ddr3 dimm ($40 Mail-In Manufacturer Rebate Available from 12/16/08 till 1/15/09)
CORSAIR TWIN2X4096-6400C4DHX 4gb kit (2gb x 2) pc26400 800mhz matched pair 4-4-4-12 240-pin ddr2 dimm ($35 Mail-In Manufacturer Rebate Available from 12/16/08 till 1/15/09)