Nice publication in Photonics by the labs of Chris Lagerholm and Marco Fritzsche at the University of Oxford using GATTA-Beads to test the performance of an Airyscan microscope:
Korobchevskaya, K., Colin-York, H., Lagerholm, B. & Fritzsche, M. Exploring the Potential of Airyscan Microscopy for Live Cell Imaging. Photonics 4, 41 (2017).
http://www.mdpi.com/2304-6732/4/3/41