http://luxonix.com/home/en/products.html?id=lineup
Ravity(S) completely recreates the external synthesizer rompler in a software environment
$139
Ravity(R) completely recreates the external drum/percussion rompler in a software environment.
$79
System Requirements :
Mac :
- G3 700MHz CPU or higher
(G4 1.67GHz CPU or Higher recommended)
- 64MB RAM or higher (256MB RAM or higher recommended)
- about 50MB hard disc space
- Mac OS X 10.3 or higher
- VST 2.0 compatible host application (VST 2.3+ recommended)
Though it does work on my Jaguar 450Mhz G4 with limited success.
(I can't report the crashes cause I'm not exactly up to their specs but its fun).