The McIntosh logo is set in what typographers call a Blackletter type face. Blackletters can be found from here to Toulouse (but not Timbuktu). It will be intensely difficult to find a suitable computer font.
If you have typesetting skills and a good program (InDesign, Quark, Illustrator, you get the idea) then you can do some fun stuff in type composition and geometry. As a starting point, you should look at fonts Parkinson's Cabazon, MADType's Brauhaus, or a composition of Scriptorium's Wittenbach and Ingrimayne Type's Zimple. Alternately, you could design the font from scratch, though that takes much time, substantial experience, and a small wad of cash.