This is probably the most important piece of advice I would give someone getting started. I run OS X and at least for me Eclipse was a constant source of pain. IntelliJ looks better, runs faster, is more stable, and has all of the important refactorings bound to shortcuts - something you have to do manually for most refactorings in Eclipse, which is a pain because of conflicts.

In my opinion, if you're a newbie just use IntelliJ.