Testing your web pages is an important part of web design, but it can be tedious too. There are so many things you should test your pages on. But I admit, I am guilty of using tools like BrowserCam to keep as much testing as possible on one computer--my main one. But since I'm also a gadget freak, I have a number of other devices that I test on as well, including an iPad, a Galaxy Tab, an iPod touch, and a Kindle Fire. I test on friends' phones and on my parents' devices. If you visit me with a device I've never played with before, chances are I'll ask you if I can test my applications on it too. How many computers and devices do you test on?
