ZappTek has announced the release of iPDA 4.1, the latest version of its iPod companion software for Mac. iPDA can transfer Word, PDF, Apple Pages, RTF or text documents to the iPod for portable viewing, and can also download RSS feeds, weather forecasts, driving directions and news headlines directly to the iPod. In addition, it supports the transfer of information from Entourage, Stickies, Mail, Address Book and iCal to the iPod. iPDA 4.1 adds support for Entourage 2008, allows both Gmail and local mail messages to be on the iPod simultaneously, and also includes a number of bug fixes. iPDA 4.1 requires Mac OS X 10.4 of later, and sells for $20.