I am using a Littmann Master Cardio, I LOVE it. The diaphragm and bell are contained on the same side, which makes it easy to switch. I can hear everything with this. Like PP, you'll be prying that out of my cold, dead hands.
I have been also looking. My husband is uses a littman and I really like it and was thinking about getting the master classic, so I was wondering if anyone out there has one and likes it? Also if I can add another question to the thread-Where did everyone get theirs?