> as jack is very modular you can like the stereo outs of ardour > to jamin's inputs and use jack transport to sync them. But if I take my audio to a mastering place and they only run Windows XP... Unfortunately technological conservatism is prevalent in the creative industries. In design, they're still using Apple - because they bought Apple 15 years ago, not because it's inherently better. When I used Quark Xpress it couldn't even make a decent index, but just try gettting a book or magazine printed from any other file format. Cheers Daniel