I'm a big fan of Vagrant but all our developers use MacBook Air's with 4GB memory and lots of different projects at the same time it's just a pain to use Vagran

I'm a big fan of Vagrant but all our developers use MacBook Air's with 4GB memory and lots of different projects at the same time it's just a pain to use Vagrant. We compensated this by using a few staging servers and using Vagrant if there are issues at this level (almost never btw)