When the real thing arrives, will it be as good as the YouTube versions?
But you don't have to wait until Jan. 27 to get a taste of what he might be showing.
For months, Apple has been secretly meeting with developers, advertisers and publishers about its forthcoming tablet computer. And although it's likely that nobody outside of Cupertino has actually seen the thing, there are concept videos all over the Web.
We've collected three of the best below the fold:
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Bonus video: A demo of Microsoft's (msft) Courier, the two-paneled concept tablet that created such a stir in tech press last September but was strangely absent from Steve Ballmer's keynote at the Consumer Electronics Show two weeks ago.
[Follow Philip Elmer-DeWitt on Twitter @philiped]