Anyone looking to fill their Xeon E3 based system (eg. X9SCM, etc) I believe this is currently the cheapest way to do it at $196 shipped for 32GB
1x 8GB DDR3 SDRAM DDR3 1333 MHz PC3 10600 240 Pin ECC Micron Chip Server Memory | eBay
Lots of reviews specifically mentioning these working well with SuperMicro boards, I'm holding out for more KVR16E11/8's myself
1x 8GB DDR3 SDRAM DDR3 1333 MHz PC3 10600 240 Pin ECC Micron Chip Server Memory | eBay
Lots of reviews specifically mentioning these working well with SuperMicro boards, I'm holding out for more KVR16E11/8's myself