Shortcut Underlines Don't Show Up With Manifest??
http://www.vbmonster.com/Uwe/Forum.aspx/vb/32247/Shortcut-Underlines-Don-t-Show-Up-With-Manifest
Under XP (don't know about Vista), have a look at Control Panel->Display->Appearance->Effects, there's an option to turn off shortcut keys until the ALT key is held, see if that's ticked.
