I don't know if anyone else noticed but the latest releases, 2011.40, of the North America and the Europe mapsets both included the following map areas:

Code:
Please Login or Register to see the links
More info from GMapTool:

Code:
Please Login or Register to see the links
This may cause operational issues in the GPS when both full mapsets are enabled simultaneously--thinking that the two mapsets covered mutually exclusive areas. I don't remember--at least, never noticed--if this was an issue with previous releases.