I just realized that there's yet another option. I've heard a lot of good things about this service: Litmus Alkaline.
"Alkaline tests your website designs across 17 different Windows browsers right from your Mac desktop in seconds. No need for virtual machines, Windows licenses, or any messing around with Windows Update."
![[愿得一人]](https://www.e-learn.cn/qa/data/avatar/000/00/00/small_000000012.jpg)