LUXONIX has released the MacOS X VST versions of their Ravity series of plug-ins, with the AU versions scheduled to follow in May 2005.
Ravity(S)/(R)/16 costs $139, $79, $16 respectively, and if you purchase the OS X VST version now you will be offered AU version for free when it is released. An inexpensive cross-grade between the Windows and MacOS X versions will be available in May 2005.
Demo versions of ravity(R) and ravity(S) for VST OSX are now available.