Ah, gotcha. Wasn't clear to me. Thanks for the clarify. However, we know that Macs and PCs have different graphics architecture. Its very possible that the Corel engineers were able to squeeze some additional rendering speed out of the Mac architecture that they could not out of the PC hardware. (I suppose it could also be an OS X issue...) Don't know, I've always understood/believed that "Macs were better for graphics", if that's the case then I'm happy for the MacHeads among us since I very strongly doubt that Corel would make a deliberate business/technical decision to optimize for the Macintosh platform (though, as everyone knows, stranger things have happened...) Thanks for the clarification. :-) TomD