Dave Coffin has made dcraw work for OS X by a couple of support mails. Grab the source code and compile with gcc -g draw.c -lm -DNO_JPEG -o dcraw or get the binaries from Francisco Montilla.
My workflow is now: download RAW images from the camera into folder, do all my regular post-processing (auto-colour, auto-levels, make jpeg) and then import to iPhoto. I used Canon's own software for the RAW handelling first, but it's got clumsy select mechanisms. Now I get it all just the way I like it. 
(shell handelling of graphics ...
After reading on a nice, Brazillian island, my apetite for going out travelling is growing again. Although I'd still prefer backpackers' accommodation. $100 a night that was suggested for this island is a bit stiff in my opinion. Hmm... where to next?
