I've got two Powertap wheels that are going to be dead pretty soon (rims are proper concave). I was going to take one back to Oz so I could have power while riding there but not sure about the other one since I still have a G3 Archetype and 404 PT. Maybe you could use a PT wheel? I do still have my 808+PT+wheelcovers that is probably pointless hanging onto but it's won me the most stuff so I'm a bit wary of getting rid. Cheaper than buying a P2M and better than Vectors.