I absolutely attest that I will apologize if he follows through

I wouldn't. He's had your money for what, 10 days? Whether simply disorganized, somewhat shifty or totally larcenous, this guy brought it on himself. I'd pursue the legal aspects until there is nothing left to pursue -- until everybody's satisfied. But I wouldn't apologize. If you actually get the unit, consider that you might never had received it unless you involved John Law.

(I see they deleted the 2 HeavyHit For-Sale threads on the soundomain BBS)

Jim