HighPoint's RocketStor is a decent USB 3.0 dock, it's major draw being that it services each slot with its own USB 3.0 connection, rather than sharing bandwidth. If throughput is your concern, give this one a look.
Typical price: $139.00
If you don't want to wait for Intel to catch up, HighPoint's RocketU 1144A is an excellent way to get into USB 3.0 now.
Typical price: $149.00
HighPoint announces two RAID controller cards that support the latest SATA 3 6Gbps interface.
HightPoint introduces the first SATA 3.0 add-in controller cards for desktop computers.