5. Asus Eee PC T91

Size: 8.9 inches by 6.4 inches

Price: $455 to $549

Pros: Asus has been a pioneer of netbooks, small computers that are less powerful but more portable than laptops. This netbook tablet has all the expected features, including a fold-flat display and a 8.9-inch touch screen, at a very affordable price.

Cons: As with any netbook, the Asus Eee has a smaller-than-average keyboard. The small screen also makes touch errors more likely. An integrated three-cell battery means you can't extend its run time by upgrading. But the most significant disadvantage is that Asus hasn't been able to launch its Windows 7 version, which may arrive later this year.

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-- Reported by Elizabeth Blackwell in Chicago.
Elizabeth Blackwell is a freelance writer based in Chicago. She is the author of Frommer's Chicago guidebook, and writes for the Wall Street Journal, Chicago, and other national magazines.

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