The Cioks DC5 fits underneath also. 2x 300mA output and 3x 100mA outputs, not sure if that is sufficient, but it would be if you were planning on putting a supply under each Nano I guess! I've powered 400mA pedals from the 300mA sockets before so they are rated rather conservatively I reckon. Less overall output than the Ojai, but more flexibility with 12V and 18V options should you need those. And they make 3 way daisy chain leads so you can run multiple low-draw pedals from a single outlet.
Hotrox are the only UK stockists that I know of btw!