With the Studio XPS 13 and newfangled Adamo already in its pocket, what other ultraportable does Round Rock really need? That's a question that Compal seems eager and ready to answer, at least according to Chinese-language Commercial Times. The all-too-scant report mentions that the ultrathin laptop will be based on Intel's excruciatingly slow (but power-sipping) CULV (consumer ultra low voltage) processor and should start shipping this August. Our best (and only, really) guess as to what Dell's mystery machine could be? That