Thanks for the quick reply!
Yeah sorry, I should've been more specific with the setup. Basically, its the behringer fcb1010 into the iconnect midi 2+, which is connected to the ipad 3 with MD being awesome, then midi out to the rack where its split to everything else.
What I'm hoping to do is perhaps control patch changes from Animoog/sunrizer etc from MD whilst the synth app(s) run in the background. The big question is whether or not the Fishman receiver's midi stream would mess with anything I guess. I've got a USB B to A adapter on the way to try it out, so I guess I'll know soon enough!
Was just wondering if anyone else had some experience with the triple play and multiple usb/midi devices feeding the same host device.
Thanks for the info re the 3rd gen ipad too; I hadn't really thought about how much juice that screen must take to run! Would love an ipad air, but the funds...the funds ;)