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I'd like to outsource the cross-browser testing and get complete functionality testing across browsers too.  I work for an online travel tour operator, so we take a lot of reservations online.  I don't totally trust my internal resources using tools like Selenium because we're adding a lot of new functionality to our new site - saved itineraries, wish list, some upselling and cross selling functionality, selling insurance, etc.  So, while of course I want to be sure everything renders properly across browsers, I also feel like the investment in having someone check booking process in all browsers/technologies is critical especially since many of our customers are accessing our sites using older browsers. Thoughts??