Using VMware Fusion and Multiple IEs, I set up my iMac to run the four major browsers simultaneously! IE 7, IE6, Firefox and Safari. With a 1920×1200 display, I can get all four to fit on the screen at once.

Click the image for the full-size version.
I no longer need to keep an extra Windows machine around here for debugging websites! “Multiple IEs” also can install IE 5.5, 5.1, 4 and 3, although I’m pretty sure those are almost completely irrelevant at this point.
One problem I did run into was that VMware in “Unity” mode didn’t seem to play well with Spaces. For example, sometimes after switching spaces a Windows app would lose focus and I wouldn’t be able to click it anymore. Switching to “Single Window” mode and then back again seemed to fix it.
Useful software:
Beautiful photo’s of a beautiful couple.
I have been surfing online more than three hours today, yet I never found any interesting article like yours. It is pretty worth enough for me. Personally, if all web owners and bloggers made good content as you did, the internet will be a lot more useful than ever before.