Hi OLeg,
I've tried everything you suggested (Increased memory_limit to 1000MB and max_execution_time = 90000 in my php.ini file) and its still stuck. I even chnaged the depth down to 2 and still no joy.
Thu Dec 02 2010 22:34:29 GMT+0000 (GMT Standard Time): resuming generator (121 seconds with no response)
Thu Dec 02 2010 22:30:35 GMT+0000 (GMT Standard Time): resuming generator (120 seconds with no response)