GameTrailers has a new preview vid for Gun Showdown, the PSP extension of last year's multi-platform romp through the Wild West. Short-lived as the original adventure was, developer Neversoft was praised for the game's compelling narrative and addictive gunplay. Showdown retains the familiar free-roaming style, but UK-based Rebellion has added new story missions, quickplay modes, and a variety of wireless multiplayer content (including Texas hold 'em) to GUN's portable cousin. Get back in the saddle at the end of Q3.