mLogic mLink and mLinkR Thunderbolt Chassis
Engadget has the news on this new Thunderbolt PCIe expansion chassis. The normal model is $399 and fits half length PCIe Card to thunderbolt, but the $699 version which will ship later is made specifically for the RED Rocket transcode accelerator, so you can take it on the go, or use it with your iMac. This company was started by the guy who started G-RAID so they are quality. You can check out mLogic.