Welcome to Linux, and welcome to LQ.
It is not a tough way once you know how to start.
I would recommend that you begin with Ubuntu or Mint before you go any further.
To find news about the Distro, try http://www.distrowatch.com
I see that you are using Mac, it is not that hard for you since you are used to them.
Mac and Linux are pretty similar in many ways, therefore it is easy for you to adapt.