Upsizing wizard is shipped with VFP, but didn't run fine when import data, and had ennoying bugs. I've corrected the main bugs and now it's OK.

Tables definitions, index definitions, RI, triggers, and data are well upsized in SQL server. I've used it agains hundred tables, with more than 500000 records by table

you can download it from CodePlex, in the french localized version, with the source (you will see all locs strings are now in h files, with original english strings - just modify and recompile).