PNY Optima 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory Model MD8192KD3… for $54.79
Use coupon code DM15A0111US. Price is after $20 MIR.
Buy three of these, and get 24GB for $164.37 after MIR (up to 3 for the rebate).
The coupon code is good on all desktop RAM, so check out some of the other deals they have, including:
CORSAIR XMS3 12GB (3 x 4GB) for $107.50 after MIR. http://tinyurl.com/Corsair12GB
PNY XLR8 6GB (3 x 2GB) for $37.79 after MIR. http://tinyurl.com/PNYXLR8
Mushkin Enhanced Blackline 4GB (2 x 2GB) for $28 after MIR. http://tinyurl.com/Mushkin4GB