Most of the front end guys here at Appnovation work on a Mac environment, what is great but make things a little be harder to assure that our CSS and JavaScript will work on Internet Explorer.
Even thought there is only one outdated version of IE for a Mac that doesn't even render the CSS the way it does on a PC there are several ways we can do browser testing. From simple web services like browsershots.org that will give you a screenshot on how your site looks on several different browsers (GREAT service but, has some limitations), to having a windows partition on your Mac.
Because we love free and open-source most of us are using VirtualBox which allows you to simulate a PC environment and have one or multiple windows installs running on your Mac OS.
So, in a nutshell, what your are going to do is:
