Looks like HP put out a bit of a teaser. While I'm sure the webOS boys are getting wishful, this is probably a leak of an HP W8 tablet.
It does say W8 Professional, keeping my fingers crossed.If they really are able to pull everything off that is in this leaked plan
Business-minded HP 'Slate 8' tablet surfaces in leaked image -- Engadget
Then they will have an awesome product. If I can get a windows 8 pro tablet with 8-10 hours battery life at 9.2 mm, windows rt will be a lot less appealing, unless we are talking about a $1000+ device, then rt still makes sense.