i also feel an improvement. I'd also strongly recommend following the advice in this post that helps reduce the size of you OF file on the mac. For me, this reduced my OF file from 5Mb to 225Kb (although it's now creeped back up to 1mb (bizarre!), which seems to have helped load times (a bit), but has vastly improved sync times.
http://forums.omnigroup.com/showpost...8&postcount=17
http://forums.omnigroup.com/showpost...8&postcount=17