I just bought one with a mint exterior and an original interior. Still sounds good, but I'm going to pony up the scrilla to have it refurbished so the insides match the outsides. Legendary kick ass amp deserves a chance to drive a current pair of high current demanding legendary kick ass speakers. Cost is unimportant, we're all addicts here, aren't we?
Good thing we still have two official old school Madrigal era service shops around.