for source in source1 source2 source3 do rsync -options $source destination:$source & done wait
adapt as needed.
That will WORK, of course, but it does require that you do a file list build and compare for each of the above, instead of doing a single list build and then dissemination to multiple targets... which (I think?) is what the original poster is asking for(?)
-J -- To unsubscribe or change options: http://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html