As often as Microsoft pitches the Surface and Surface Pro as tablets for getting work done, corporate customers haven't had an easy way to order the devices by the bushel. We know that the process is now considerably smoother for eager large-scale adopters thanks to a ZDNet peek at a Commercial Order page. "Commercial customers" can spring for large quantities of either slate model, along with an Extended Hardware Service Plan that bumps support to three years for North American buyers. M