Cons: Selection of third-party applications not as good as iPad's, but wider than Kindle. Screen resolution lower than iPad's. No option for wireless broadband. Pen sensor slightly shortens battery life.
Barnes & Noble Inc.'s Nook HD+
— Price: $269 for 16 gigabytes of storage; $299 for 32 GB
— Screen size: 9 inches diagonally
— Screen resolution: 1920 x 1280 pixels, 256 pixels per inch
— Weight: 1.14 pounds
— Cameras: None.
— Battery life: 10 hours of reading, 9 hours of video
— Operating system: Modified version of Google's Android
Pros: Cheap and portable. Storage is expandable with microSD memory cards. Easy access to Barnes & Noble book store.
Cons: Selection of third-party applications is small. Barnes & Noble lacks wide range of content. Lacks cameras and option for wireless broadband.
Microsoft Corp.'s Surface:
— Price: $499 for 32 gigabytes of storage, $100 extra for keyboard cover. $699 for 64 GB version, includes keyboard cover.
— Screen size: 10.6 inches diagonally
— Screen resolution: 1366 by 768 pixels, 148 pixels per inch
— Weight: 1.5 pounds.
— Cameras: Front and back cameras
— Battery life: 8 hours.
— Operating system: Microsoft's Windows RT.
Pros: Storage can be expanded with microSD memory cards. Comes with free Microsoft Office software. Models running full version of Windows 8 coming soon, offering compatibility with programs available for traditional Windows computers.
Cons: Operating system lacks good track record on tablets. Selection of tablet-adapted third-party applications small. No option for wireless broadband.
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