I'm talking this over w/ Andy this evening and hoping to get Ubercart's application through as an e-commerce provider. Looks like it will require us to create a GCO account, and perhaps we can setup a store eventually that uses it for our own purposes. From our past experience integrating w/ GCO, there were limitations that looked like it would take a while to code around. Hopefully those kinks have been worked out and we can support them fully.