So it's on to Nashville, cats. Everything is set. The Sharks will be in Tennessee next weekend to start the NHL playoffs. But how far can they go from there? Far. Really, really far, maybe. Joe Thornton, the Sharks' grand high exalted mystic centerman, made the understatement of the day following his team's eighth consecutive victory. ``I think we're peaking at the right time.'' Uh, yeah. ``And,'' Thornton added, ``we'd like to keep it up for a couple more months now.''