A lot....the ones I actually fly....
AP Rigs: DJI S900 w/ GH4 (dual operator only), Inspire pro x5r , Phantom 2, 3DR Solo
Mapping Rigs: Custom fixed wing, Pelican (fixed wing), Inspire x3, couple waterproof quads, and the small guys from above
Fun: Loving the 4s Neato 180 set to full stupid...