Yeah, those are racing boards or something similar. the tail is straight, rather than a curve like on a twin-tip. Board is much narrower, and the bindings/boots are stiff almost like ski boots/bindings.
Yes, That's an alpine / race / carving snowboard setup. I'm a freecarver, but don't race. The snowboard specific hardboots and step-in bindings provide infinitely more control and responsiveness than softboot setups on a carving board. The forward angles (59* & 57* in the pic) allow faster edge changes and equal ability for heelside and toeside carves, plus eliminate toe and heel drag when railing the board at almost 90* to the snow. High speed control is exceptional.
There is alot of World Class, high end, very high performance alpine gear being made today, but it's a niche market. Fifteen or twenty years ago, I'll bet at least 1/4th of the boards I'd see on the hill were hardboot / alpine setups. Since resorts started building parks and pipes, however, it seems the exception anymore, with the skate influence seeming to be most popular. Regardless, alpine gear is just the ticket for anyone wanting to experience high G's and tight carves at Mach 2 speeds.