Thanks OP, we have been hesitant to make the transition so close to the new baby coming, but we'll try anything so off came the side rails today! He certainly likes climbing on/off the bed so we'll see how he goes...

MadB, I can't see any molars coming but I'm not game to put my fingers in to check as he'll bite me for sure!
He's had bad phases before, I'm just worried about how I'm going to cope when I have DS clinging onto main bed and a newborn to feed also. If only I knew that he would magically get over it when number two arrives!!