Our team encounter issues with import and publish because we have a single 6MB unmanaged solution.  A 6MB CRM solution is considering a very big solution.  Depends on the hardware, it took us more than an hour to import and then another hour...

The CRM SDK team released version 5.0.7 of the SDK and this version includes a lot of new things that incides with UR 5 and the CRM Online November Service Release.  You may download the new SDK from MSDN library and also on MSDN download . Also...