This used to work in previous versions....please see this video:
Axiom 49 & ProTools
http://www.youtube.com/watch?v=eOzgYAvwkCY
If you skip to 4:07 in the video, you'll see this feature working in previous versions.
Considering how much more expensive digi virtual instruments are compared to others, this is kind of a big deal for me losing this functionality.