The iTunes-LAME Encoder combines the simple interface of iTunes with the high quality of the LAME encoder. It is donationware and requires Mac OS X 10.2 or higher and iTunes 4. Changes in 2.0.1 include:
– Bug Fixes
– Multi-processor mode shows both tracks
– Encoding Options verification
Changes in 2.0
– Rewritten in Cocoa
– Built-in LAME 3.92 can be used if another installed version is not available
– Unicode Support
– Dual Processor Support
– New Interface
– Integrated Help
More info and download link here.
For more information about the LAME project, click here.