^In a way this this is very ironic, because W8 is the first version of windows that is entirely consumer centric, which offers little to nothing for the professional... :-/
I think that the introduction of the windows app store is probably the biggest feature, as it allows every last user to install software themselves, without requiring any skills and still being able to feel confident that they aren't infecting their systems. Of course, if you don't want metro apps...
W8 has also, for the first time, enabled a brand new class of device, the convertible laptop/tablet. That is pretty damn nifty. My girlfriend thinks it is great, but anyone that is interested only in the classical desktop...
I do think W8 has a lot to offer, it just isn't offering much to those that don't want something other than what Windows has already been these last few years.