When researching your prospect and trying to figure out what they do, which industry they are in, who is their competition, researching their financials etc…etc…etc…I usually need to open up a bunch of browser windows/tabs and I am constantly switching between one another. So here is a good site that helps out the multi-tasker in all SEs. Check out: http://www.googlegooglegooglegoogle.com/
It will allow you to perform multiple searches and see the results all in one window.