I'll piggyback on this post to express my surprise and pleasure at seeing the addition of the iPad version with the syncing between all devices (for me, a mac, iPad and iPod). I had abandoned TB about a year or so ago, due to the inability of using a non-browser solution on my ipad/ipod. I did use the Combo Pro for a year, but with one mac, I was pretty much limited to using the web for displaying some brains to my CS students in college. That was just experimental, but now with the iPad integrated with my mac, I have it all - I'll revisit the use of the brain in my classes - kids today want to be wowed.
These days, if I can't sync an app between iPad and mac (and at times, the iPod), then I'm generally not interested, unless the application is adequate on just one device. And your service and apps just work right for my needs. Thank you, thank you!!!