Hutch, I wasn't sure where to put this one, I guess it fits the Workshop well.
And old but rather interesting discussion I found yesterday in my night reseach:
http://forums.codeguru.com/showthread.php?306662-GDI-versus-GDI-and-the-winner-iiiiiiIIIS (http://forums.codeguru.com/showthread.php?306662-GDI-versus-GDI-and-the-winner-iiiiiiIIIS)
QuoteBenchmark 2: (measuring drawing speed only)
GDI+ 230 1212 826 52 154
GDI 163 193 218 13 41