I just spoke to someone in the certification group, and she says that there are not yet any plans to do a VFP 7.0 exam. If it's not on the Microsoft MCP site, it isn't official. :-) Microsoft does not own MCPMag/does not have a preferred relationship with them/yada yada yada....
And remember, the best way to get a VFP 7.0 exam scheduled is to show lots and lots and lots of people taking the VFP 6.0 exam.