I'm in the 'Red' camp on this one. I have nothing but love for my Bumble Bee.
PSSST - You know, for about ~$1,000 you can get a lengthened mono-swingarm, shaft and mill that hub down for a rear spoked wheel, AND grab a mono FD from Fleabay. (Which is about how much a shaft replacement costs, if you get BMW to do it for you)
You know ... when the shaft explodes