Karelia Software today released Watson 1.6, an update to its popular Mac OS X application that provides an elegant front-end to several Web services. Version 1.6 boasts a number of enhancements, including integration with the EyeTV digital video recorder, iCal, and the Mac OS X Address Book. The release also offers improved performance in its Amazon.com browser, adds wide-screen movie trailer playback in its Movies tool, and fixes a number of bugs. Watson sells for US$29.