1. 5'11.5" (6' in shoes!)
2. 53cm Look KG486, 55cm Bianchi Volpe
3. Wha?
4. 32"

Had a 57cm Bianchi EV3 but felt too stretched out. Was worn down after a ride. Like my smaller Volpe, so I considered a smaller size when getting the KG486. Was between a 53 and 55. Opted for the 53. Very happy now.