I've used Virtual Box for years and I've yet to see a compelling reason to switch. I don't care for 3D and anyone who does should not be running a VM anyway. Virtual Box has been 100% stable for me ...

The best Windows emulators for Mac include Parallels (best overall), VMware Fusion (great for professionals), and VirtualBox (free option). Wine, Wineskin, and WineBottler are great for running ...