Edirol Corporation has announced Mac support for the Roland ED UA-30. This comes in part to changes in USB support in Mac OS 9.0.4. According to Edirol:
Edirol Corporation announces USB audio support for Roland ED UA-30 on Macintosh OS. In response to many requests for Mac USB audio from hobbyist, musicians, and audio specialists, the new driver from Apple's OS 9.0.4, is compatible with Roland ED UA-30 audio interface.
We are pleased to have this ready now to support the many people who want to use their computer to record digital audio simply with a USB connection. This USB powered audio interface provides all the connections needed to record, playback, and monitor high-quality audio from a desktop or laptop computer. Connect anything, mini-disc, CD players, DAT, analog, optical or coaxial devices. Record a guitar or microphone using UA-30's built in microphone and guitar pre-amps and experience the unparalleled audio quality of its' 20-bit external digital audio converters.
UA-30 is a perfect upgrade from the audio in your Macintosh, and is compatible with all Apple Macintosh computers with built-in USB. Apple's iBook computers were designed to use USB as the only audio input method, enabling the UA-30 to be a perfect and only solution available on the market today.
Retail price is set at US$325., and is currently shipping with Windows 98 drivers. Macintosh drivers are available as an OS update from Apple. Roland ED UA-30 can be ordered online.