Sounds like there is actually quite a bit of love for Dirty Harry which is great. I'll certainly have my eye out for one. I could see why you might swap a Congo for a pristine DH - but I think (limited knowledge on this) the Congo probably outdoes DH in the market (Congo seems to have developed a keen following)? Guess it comes down to condition.
Cavey are u going to powdercoat all legs same colour or match to games? And do u prefer the powdercoat to chrome?