With a BlackBerry, Palm OS or Windows Mobile device and, of course, iPhone you can have the reviews and commentaries of Zagat's restaurant guides at your fingertips wherever you are without piling up books.

Zagat's mobile package includes its trademark surveys and rankings of restaurants in 70+ cities as well as nightlife suggestions and reviews of top hotels. You can download maps and directions once you decide on a locale. Other features include reviews of golf courses, and movies and a New York City shopping guide. You can register for regular updates to make sure you're never behind.

Here’s what you do: visit Zagat.com and click on Mobile. (Going to Zagat.com on your iPhone or iPod touch automatically brings up the iPhone-friendly edition of the site. )

You can choose from Zagat.mobi, which offers mobile access to all regular Zagat.com premium members, or Zagat to Go, a software package you purchase and install on your mobile.

A year subscription to Zagat to Go is $29.95 and installation is via download to your computer and then ActiveSync. A year's premium membership to Zagat.com and Zagat.mobi costs $24.95.