So I just figured out that I have Quicktime 7 and I have heard that 7 has a bug/doesn’t work right with 10.3.9/FCP HD. I don’t know if I know what I am talking about, I just know that yesterday I had a later version of Quicktime and it worked fine, my husband downloaded 7 last night and now I can’t get my clips to play right. Any correlation?? Sorry if I sound ignorant, I just don’t know what I would have done different to cause this stuttering problem!