"Upgrading to Snow Leopard caused so many problems for me, nothing worked." Why risk a production machine for an unnecessary (mostly Mac) OS update, and then blame 3rd-party software? Nothing personal if I'm being insufferable, I've been burned in a variety of ways by updates that zigged without concern for others. And skipping back a bit, sure there are some concerns with CC (http://img.ly/uGvQ), but there's nothing new with inevitable problems opening files far between versions. Rich