yes, we had this problem tonight with only 3 members in the room. Also one user reported that the screen would grab the text he was typing and send it while he was typing. The 'stuttering' ( we dubbed it stuttering) seemed to only effect one user out of the 3 in the room.
Sure hope this can be straightened out. Oh I am sure it will be, after all, we are dealing with a near Master Coder