I remember going to an MS Dev event for 64 bit XP (still have the shirt!) and being pretty excited about it, but bugger all worked in XP64. As someone who spent

I remember going to an MS Dev event for 64 bit XP (still have the shirt!) and being pretty excited about it, but bugger all worked in XP64. As someone who spent many (10+) years writing for Windows and now uses a Mac it's hard not to compare Apple's 64 bit switch to Microsoft's