Still loving your XF video shooter from Canon, but lamenting the lack of 1440 x 1080, 35 mbps HD? Better sit down on your director's chair then, as it looks like a forthcoming firmware update for the series adds exactly this (at both 50i and 60i.) The format is popular with broadcast and news, and no doubt Canon is hoping to broaden the appeal of the XF line by bundling it in -- or smoothing the workflow of existing owners. The update