I've gotten a ton of use out of For me, the small form factor and long battery life are real winners. If the T91 delivers everything it promises, however -- and if the price is right -- Asus might just get another sale out of me.

What about you? Has Asus finally hit the sweet spot for the tablet PC concept, or are tablets targeting a market that doesn't really exist? And will touch-based computing make our PCs more productive -- or just messier? Sound off in the PC World community forums.

is a freelance technology writer based in San Francisco.