You still can't access anything that Sharity mounts via Classic, because under classic you can't see anything in the "network" area of the OS X filesystem - it never even appears as an option from Classic dialogs.
The best solution to get this to work under Classic AND Mac OS X may be to use...
DAVE definitely doesn't work under PB. It semi-locks up Classic so that you can't run any apps.
Samba would be great, if it worked so that Classic apps could access the shares.
With Sharity's demo, I can access most (but not all) of my shares at work with the OS X side, but not Classic at...