While AMD's fastest Athlon currently on the market clocks in at 1.2 GHz, Intel has managed to hit only 1 GHz with its Pentium III series, following a recall of a 1.13-GHz version earlier this year.System vendors including Gateway and Toshiba demonstrated prototype systems featuring the 1.5-GHz P4 at the show.In closed-door briefings with media and analysts, Intel also showed off similar systems fr