Summary: Surface Pro users will have substantially less free storage on their devices, out-of-the-box than many may have expected. Big deal or business as usual?Microsoft's Surface Pro launches on February 9. We've known many of the specs for the coming hybrid/ PC/tablets for months.But one stat about which we haven't received any kind of definitive information  (so far) is available storage for user content on Surface Pro devices.The Verge (citing a Microsoft spokesperson) reported on January 29 that the amount of usable storage on both the 64 GB and 128 GB models will be substantially smaller than many may expect. The 64 GB Surface Pro will