Funny you mention SPICE to VST compilation... It was on my list for this (my) side project but I never got around to it: http://livespice.org/ http://livespice.

Funny you mention SPICE to VST compilation... It was on my list for this (my) side project but I never got around to it: http://livespice.org/ http://livespice.org/ edit: And a Tubescreamer is one of the examples!