OK, so my PC has completely crashed, and the only thing I've been using it for is to pull the channel 3 and 4 audio off my firestore, has the focus enhancment people made a Mac version of that software?

I'm not quite sure why this would not work on a Mac, but if you are going to replace your crashed PC with a Mac, you should know that Macs are now able to run Windows on a separate partition, so you should still be OK using the FireStore.

This is what B&H say about the FS-4:
"The FS-4 HD 40GB Portable DTE Recorder from Focus Enhancements is a hard drive based tapeless recorder that is designed to work with DV camcorders. The FS-4 HD weighs about a pound and is only 1.6" thick, making it very easy to mount on your camera or clipped on a belt. The DTE recorder is fully compatible with both Macintosh and PC based editing systems, making it a great solution for anyone who is tired of the hassles associated with logging and capturing tapes."

Under the "Features" tab…
http://www.bhphotovideo.com/bnh/controller/home?A=RetrieveSku&IC=FOFS4HD40Q&Q=&O=

Yes, I am aware of that, but I'm not buying a new Mac, I have a PPC, I'm tryin to figure out is there a Mac solution for removing the channel 3-4 audio from the Firestore FS-4

edit-- Let me ask this: If I take of the built on camera mic and use my two wireless lavs, will they then default to channel' 1/2?