I dug out my “massive” music collection, copied some good stuff over, and am currently running beaTunes – to detect BPM. Once that’s done, I have a smart playlist for the right ranges of BPM – I’ll use that to sync to the iPhone (I have an order of magnitude more music available than space) – then run PaceDJ to pick the songs at or near the pace that I want (I usually start at 160 and speed up to 180 during a longer run).
I’m already liking the music it has chosen so far.
First run with the co-workers tomorrow. I am a little nervous. They are all so athletic.