On a completely unrelated note, I had the pleasure of introducing Tony Hawk to the Mac when he came in to our store to get his Amiga repaired.
Creative Computers in Redondo was quite a happenin' place.

Macs compete quite handily in a corporate environment. I think one of the biggest issues has been IT staff that have no real experience using them in their infrastructure.
I recall when a company that I was an officer of (graphics content creation) merged with a tech firm (don't ask how this happened), the IT staff were terrified of us putting our Mac and SGI systems on their network. "Macs won't work on our network" was one I heard...