Griffin Technoloy on Wednesday released a Beta of radio SHARK for Mac 2.0, the new version of its software for use with radio SHARK, a device that adds FM/AM radio capability to a computer, along with the ability to record or pause those broadcasts. Beta 23 adds support for G3 Macs, 64kbps recording and a radio SHARK widget for Mac OS X v10.4 "Tiger" users. Griffin did not say when the final version of the software will be released.