http://event.asus.com/mb/P7P55D-E_U3S6/images/index_05.jpg (broken link)
ASUS, the world's largest motherboard manufacturer has a new motherboard.
Not cheap, but the new high-performance standards have finally arrived.
Intel has delayed their own USB 3 controllers, but maybe this will make them more active.
P7P55D-E/P7P55D Series Xtreme Design Motherboards - Faster Than Ever!
Gigabyte has released a series of new USB 3 and SATA 6G boards:
GIGABYTE 333 Onboard Acceleration (http://www.gigabyte.com.tw/FileList/WebPage/mb_091020_333/data/tech_090814_p55-models.htm - broken link)