Was it a 42'? Black with gold? Possibly with "Black Lightning" as a name?
If it was, it was the Chain O' Lake legend Mike Lovergene (sorry if I spelled his last name wrong).
Great boat, triple digits, loud as all hell......caused a bit of a stir 2 years ago with the local water enforcement guys. 3 tickets for noise...they had him practically kicked off the Chain. He went into court and from what I heard had all the tickets thrown out!