Hi, I am highly consiering investing in a MAC G4 simply to use for Pro Tools LE. A concern of mine is whether or not LE really resembles the full blown version of Pro Tools. In other words, if I master LE, will I be able to tranfer my skills to the Pro version? Also, can you tell me the main difference between LE and the Pro version. I know that LE limits you to 24 tracks, but what else is different?