@magicalclick: Same here. As simple as ModernMix is it really makes a big difference for me. That said I really hope Microsoft considers the cleaner window chrome and inclusion of the charms in Jay Machalani's examples or something like it.
@bondsbw: I agree; let's make the changes optional. Just like I didn't appreciate the start button's removal in W8 I also didn't appreciate it's return in W8.1 as they didn't make it optional (for those who'd rather not have it displayed). It's as if the Windows division said "Fine! You want the start button back; you got it but we're not gonna give the option to hide it! "
IMO they were already way to late to market so there was no timeliness about it what so ever. If you're going to be late to the party you better look your best because all eyes will be on you. Microsoft showed up in nice pants but no shirt.