Just found the following updated information on reciprocity for the new Wisconsin CCW law. Bottom line, it will take effect 1 Nov 2011, and will include full reciprocity initially with 25 other states (including my home state of North Carolina!). See the article for the full listing and details.
Crime and Courts: Permit holders from 25 states will be able to carry guns in Wisconsin
Crime and Courts: Permit holders from 25 states will be able to carry guns in Wisconsin