Polac's VST bundle contains VST loaders for both instruments and effects, and ASIO output drivers. It supports automation, randomization and step sequencing of any functionality the VST plugins offer. Polac VST loaders are bundled with Buzz, but Polac ASIO for some reason is not. To get it consult the External Links.
PVST quick cheat sheet
To control the modwheel: Set "track command" to 09 and "track command value" to anything between 0100 and 017F.