Conduct a multi browser test for web app

What is the best way to see how a web app will appear when running IE,Chrome, Firefox etc? With the generous appearance and screen real-estate of a Mac, I am not so confident that my work will translate dimensionally to an insipid browser like IE.

When you run a debug web project you can point to your Mac address on the network.

Run Windows in a virtual machine and run IE, then point to the address you find in the Network preferences by clicking Advanced and TCP/IP as IPV4 address. For instance