The Logic Off Topic list

>Sure, pitch wandering, temperature drift, could be programmed into a soft
>synth.  The simplest would be a very low frequency LFO modulating the
>oscillator frequency.  But the thing about the moog's is, if you're doing a
>live gig on stage, as the stage heats up it gets more and more "out" in one
>direction (mine goes sharp) - I suppose you could build a temperature - to -
>MIDI controller and feed it to your soft synth :)

Forget the temp gage. Just put the drift control on a midi CC, and have a 
Phatboy controller and turn the knob yourself. You probably need a VLFO 
and some randomness  to the various pitch distinctions.