Yeah I'm using it on a partition on my brand-new laptop. I really like it actually!
Metro UI is a bit to get used to, but I love using the touchpad multi-touch controls to navigate from panel-mode to the standard desktop, bootup is much faster, and I can share files fine between my regular Win7 partition and the Windows 8 partition.
@xopher.hunter, I had an issue with .NET 3.5, but it installed fine after a restart. YMMV...
I bought a Touchpad during the fire sale, and have yet to receive it from HP Small Business (have to wait for the last production run), but I wanna put Win8 on it when the ARM build gets out.