This is from the SFSGSW era. It is HORRID, because Chuck and Jeff sucked so very, very bad.
[VIDEO]http://www.youtube.com/watch?v=XYwHe5yH0OM]YouTube - Megadeth - Holy Wars (SFSGSW Demo)[/VIDEO]
It's not as bad as this demo of A Tout le Monde:
[VIDEO]http://www.youtube.com/watch?v=V8K5ajNXQjk]YouTube - Megadeth - A Tout Le monde (Demo)[/VIDEO]
Dave sounds totally drunk on this one.
Edit: Thank god that Marty and Nick Menza joined before they recorded RIP, though. Nick Menza is an awesome drummer IMO.