Not very likely, they're not in high demand. Your best bet would be to get the local bike shop to build some (or bribe a buddy who knows how).

Just the Sturmey drum hubs alone will cost you. About $60 for the front, and the rear lists for $180. Granted, they're cheaper than Shimano, but still with rims, spokes, and labor you'd be more than halfway to the cost of the Graduate.

For me, I'd build the wheels just cause I like to build cool wheels with neat lacing patterns, but that's just me.