We were quite surprised (to say the least!) to see the original Windows 7 HP Slate 500 appear yesterday on the company's site, and HP officially confirmed this morning that the product is still very much in the works. The outfit's not sharing much, but a spokesperson from its Personal Systems group did tell us that they're "in customer evaluations now and will make a determination soon on the next steps." It all seems very vague and mysterious at this point, but the evidence is surely mounting that we'll be seeing HP join Microsoft's "hardcore" tablet p
