The three major I/O manufacturers all have T-bolt solutions now.
AJA has the IO-XT:
http://www.aja.com/products/io/io-xt.php
Matrox has a Thunderbolt add-on adapter that enables all of their existing MXO2 line to connect as T-bolt devices.
And BlackMagic has several T-bolt devices as well.
Feel free to write or call if you need help deciding which of these solutions has the most benefits for you. We carry and support all of these solutions.
David Roth Weiss
ProMax Systems
Burbank
DRW@ProMax.com
http://www.ProMax.com
David is a Creative COW contributing editor and a forum host of the Apple Final Cut Pro forum.