I’ve been editing with over 60 hours of XDCAM footage from both the optical discs of the PMW 350 and SxS cards from the EX3 mixed with Canon 7D DSLR footage on Premiere Pro CS5.5 and CS6 for the last two years for the Producer Guild’s Produced By Conferences and haven’t had any major problems.
I’m on the PC side so perhaps that helps?
Dennis Tzeng