Not sure about the induction tube(s). I've only ridden one, and it was getting dark out. And I was paying more attention to not getting killed by traffic.
http://www.users.totalise.co.uk/~gary/1991M.htm
R1100s: Worst of both worlds. No torque down low (just like a 4, even though it's a twin) and buzzy as hell up top (just like a twin).