I went with the latest "stable" ffdshow release (the June 16th release). I'm running it on Win ME and an older P3 system with no problems. Like I said, it actually corrected my synch problems.
I was recently running into the same problems on my system (P3 450). It became noticably worse after an install of Nimo's codec pack. I tried everything I could think of to correct it.
Finally, in ...