Anyone out there using a MAC for there labels and if so can you please suggest some software?
I'm on a mac, and use Illustrator CS4. If you are looking for something free, I'm afraid I can't help.
Obligatory Gimp runs on Mac OS X post. GIMP - for Mac OS X
Inkscape runs on OSX. You need to have X11 installed.
I use Inkscape on my mac.