I wouldn't agree. I haven't tried it recently, but I tried Windows 8 in a VM on a Mac Mini when it first came out as a preview release. I found it enjoyable even with just a keyboard and mouse.
Wow. I love how you disagree, but then go on to point out you are anything but an expert or regular user of it, and only used a preview, which isn't even the same as what we real users are using. Let me say, as someone that uses Windows 8 every day it is horrible. It pisses me off regularly. I've detailed it here:
http://envoy510.wordpress.com/2013/07/19/windows-8-worst-win...