Microsoft’s Surface Pro 2 and Surface 2 tablets are selling very well, according to Mashable‘s checks with various retailers where the devices are sold out with just over a week to go until Christmas. It’s unclear whether Microsoft built smaller quantities of tablets and might be manufacturing the sellouts, or whether the company is actually enjoying a hot streak with Surface Pro 2 and Surface 2 sales. Either model is listed as “sold out” on Microsoft’s online store, no matter which configuration buyers try to purchase. The same goes for Walmart’s online store and Best Buy’s retail stores – interestingly though, Best Buy’s website shows the devices as available. According to a Best Buy salesperson in New York City, the new