Drush and Composer, Happy Pals
OK, so you like Drush. You might have it installed using PEAR. You don't know much about Composer, so you're not sure what to make of it.
Well, read on, and find out how easy this stuff really is.
This article focuses on Mac usage, but also applies to any Unix-flavor pretty much. Not so sure about Windows. You folks can fend for yourself, but maybe help out in comments if you feel so inclined.