Why not just ask J&L to order one in that case? I kind of doubt many stores will be sitting on extra power supplies and would be in the same position of needing to special order one for you. In any event I'd just try any Tunze retailer (several of our sponsors are), in a pinch you can try the Canadian distributor at xeniainc.com but they might refer you to one of the retailers anyhow.
In a pinch, those other options can limp you along in the meantime, if you have access to something like that. Either way good luck, hope you find something!
