Well, i'm using Panther 10.3.2, and I just purchased an imic as well. I have an iMacDV 450. I'm also using Cubase SX as my primary multitracker. For a current project I have been testing audio on 4 different types of Macs. Here's what I've personally experienced;
I went to use Protools 5 Free, but it had an outdated OMS. So after a long painfull search, I found one. I didn't even get to the part where the imic would've been a problem when I gave up on that. (I HATE OS9, I don't care how important the job!) So back in OSX, I've found it best to use Sound Studio 2.0.7 to check my signal. Now it works, but I already notice line buzz/hum. It's VERY small, but my ears hear it. So, back to Cubase,... I was able to download a driver from Griffen Technology to support some programs, but they didn't mention Cubase. In the VST settings, it SHOWS the imic, but once you hit the record button, the error comes up stating that "Record could not be enabled because there is no input." Herein lies the problem. There is no hardware attached, so they might not have this worked out at the time of this postings. BUT, I MUST use this time to tell all the other posters, "If you haven't used OSX, or the apps we're talking about here, PLEASE keep your comments to yourself. You help no one with your hear-say." With THAT out of the way, This project WILL see this issue through, if I have to use a friends comp that has a Digi 001 & Sound card, instead of takleing Pro Audio on an unqualified comp. Also, I've found that some Pro Studios still use 9600's reliably AND in OS9. Although I feel sorry for their 200mhz & 512 of ram, but I envy thier results. Look for more posts from me. ~MidNyte