Meh. Human meters work just fine. Your vet may not be able to help with dosing, but I'm keeping my fingers crossed that Storm isn't going to need insulin much longer anyways.

Oh, and here's a study that uses human meters (although it does say AT2 is good when possible)
www.felinediabetes.com/FDMB/attachments/management-of-diabetic-cats-pdf.11641/
I'd hold off on the fructosamine until we figure out if he's going to go off insulin or not. If he does, your vet will want to verify that with another fructosamine anyway. Might as well save the money and just do it once.
The back legs could be arthritis. He's in pretty low numbers to be showing severe neuropathy to be honest. Although my kitty shows it in pretty low ranges too, so it's not impossible.