I use browserstack a fair bit already (and have used saucelabs in he past). These remote testing services are really great and cover 80% of my testing needs. Ho

I use browserstack a fair bit already (and have used saucelabs in he past). These remote testing services are really great and cover 80% of my testing needs. However what they don't do is let you get a true feel for what it's like for an end user to interact with the site due to the latency. This becomes more apparent with interactive web apps.