Hello, i just bought a new Ti snow and having problems with synchronization as well . I use Logic 7.2.3 and Ableton Live 6.10. It does operate in all modes and the TI works fine. When i try to use it as a hardware module and sync an arp doesn't though . . Any suggestions please ?
With Respect,
Andreas 
DAW / Logic 7.2.3 - Ableton 6.10
Interface / Focusrite Saphirre
OS / Mac OSX 10.5