It doesn't meet all your criteria, but lenovo is launching the Thinkpad Tablet 2
slate in October.
10.1" 1366x768 IPS display
Dual Core Intel Atom (rumored to be Clover Trail)
2 GB RAM
64 GB SSD
10 hrs (manufacturer claim) battery life
Touch and Pen (if specc'ed with digitizer) input
Optional 4G WWAN
Optional keyboard dock
Windows 8 Professional
It's low on RAM, and has Win 8 instead of Win 7, but sounds like a very interesting device. x86 and Win 8 Pro, so will run existing windows and x86 programs as well as metro apps.
Wind, Sand and Stars.