Microsoft's Ballmer to Try and Pre-empt Apple, Introduce HP Tablet Tonight?

UPDATE: According to WMExperts liveblog, it was a Tablet PC by HP running Windows 7 and called -- wait for it -- the Slate. Yes, named after Apple's latest tablet name rumor. Looks chunky, and its using a desktop OS. Okay.
ORIGINAL: So the rumor is Steve is about to introduce a new tablet device -- no, not Steve Jobs of Apple, but his nemesis Steve Ballmer of Microsoft -- and he's rumored to be doing it tonight at CES!
Our sibling site, WMExperts, has the details and Dieter and Phil will be there live covering Ballmer's keynote at 9:30pm ET, 6:30pm PT, 2:30am GT (tomorrow morning, yeah?)
Will it be the crazy courier concept we saw before? More Tablet PC tomfoolery? Surface-to-go? And if Apple is unicorns, is this the pegasus?
And does this have any effect on Apple's rumored iTablet show on Jan. 27? Or does Apple just ignore what everyone else is doing, as usual, and show up with what they got?
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Rene Ritchie is one of the most respected Apple analysts in the business, reaching a combined audience of over 40 million readers a month. His YouTube channel, Vector, has over 90 thousand subscribers and 14 million views and his podcasts, including Debug, have been downloaded over 20 million times. He also regularly co-hosts MacBreak Weekly for the TWiT network and co-hosted CES Live! and Talk Mobile. Based in Montreal, Rene is a former director of product marketing, web developer, and graphic designer. He's authored several books and appeared on numerous television and radio segments to discuss Apple and the technology industry. When not working, he likes to cook, grapple, and spend time with his friends and family.