>I know this might be an "NDA" question which you can't answer, but will Toledo be able to easily recognize, or better, automatically recoginize whether a user has chosen to use the "classic" appearance or "XP appearance"?

That is NDA, but I can tell you since you're such a cool dude. Yes, there will be a new SYS() function in VFP 8.0 which allows you to find out if WindowsXP themes are currently turned on or off in the OS display properties.