If you're looking for excellent Thunderbolt 2 performance with estimated performance of over 1.3GB/s, then OWC's Thunderbay 4 (with SoftRAID) is worth checking out. Iain Anderson goes in fast.
Do you dread installing large applications that span multiple discs? (Yes, Logic Studio, I'm looking at you!) Mike Watkinson explains how to dramatically transform those hours into minutes.