Turn Your XP Netbook Into an E-Book Reader: If the Mac hack seems too scary and costly, you can turn your netbook into an e-book reader--for free. You can even get free reading materials: Go to to download classics as unprotected PDF, HTML, and plain text files, for reading on your netbook. Many netbooks allow you to switch the screen's orientation from horizontal to vertical, which provides an easier reading experience. Get the complete story in "!"

Samsung N110's Crazy-Long Battery Life: The new netbook ran for 8 hours, 23 minutes in our tests, with its own lightweight battery. That's pretty cool, considering that you often need a heavy battery to squeeze that much juice out of a netbook. The N110 ($470) lands at number two on our , just below the ($400), which lasted 7 hours, 9 minutes in our tests.

New Lost-Cost Business Notebooks from HP: Hewlett-Packard's new combines business productivity with consumer features such as high-def graphics and Blu-ray Disc drives. HP is offering two OS flavors: Windows Vista with available XP downgrade or a version of Linux from Novell. The ProBooks start at $529.

Is there a particularly cool mobile computing product or service I've missed? Got a spare story idea in your back pocket? . However, I regret that I'm unable to respond to tech-support questions, due to the volume of e-mail I receive.