So me played in Yumla the other day (both live and later Djin) and was joined by two other live musicians (roger de leon jumped on the decks later in the evening as well)
It was a pretty cool set up with 3 Macbook Pro's running Ableton live (best music software ever!), and a bunch of USB Controlers. Here are some pics :)
(yes this is geeky but damn it, I totally love this stuff