Originally Posted by Slow Train
2) Check Sheldon Browns site. He may be favorably impressed but many worry about durabiilty.
The funny thing is, in his podcast on English 3 speeds, he talks about how the internal 3-speed was so much more rugged and durable than deraillers.
I'm definitely going to look into them for my next commuter, but not until my current bike falls apart. I ride all winter and I just don't have too much trouble with my bike.