>I've always figured that if the Heart of Gold showed up in UF, it'd be
>because Vaughn and ReRob got stoned together one day, and woke up the
>next morning with an Improbability Drive sitting in ReRob's workshop.

ReRob doesn't get stoned. When Vaughn takes the right stuff, he stops seeing tracers.

Now, if Vaughn got back together with Zoner the Chaoswalker (regardless of the chemical states of either), you might have something.

--rR