CORSAIR TWIN2X4096-6400C5 4gb kit (2gb x 2) pc26400 800mhz matched pair 5-5-5-18 240-pin ddr2 dimm ($30 Mail-In Manufacturer Rebate Available from 12/1/08 till 12/15/08)

OCZ OCZ2N800SR2GK 2GB KIT (1GB x 2) PC2-6400 800MHZ 4-4-4-15 nVIDIA sli certified 240-pin ddr2 dimm w/heat spreader ($20 Mail-In Manufacturer Rebate Available from 12/1/08 till 12/16/08)

OCZ OCZ2RPR10662GK 2gb kit (1gb x 2) pc2-8500 1066mhz 5-5-5-15 240-pin ddr2 dimm w/reaper hpc heatsink ($25 Mail-In Manufacturer Rebate Available from 12/1/08 till 12/16/08)

CRUCIAL 1gb (1024mb) pc2700 333mhz cl2.5 ddr 200-pin notebook sodimm