I LOVE Vegas, but I also really like Laughlin NV when I'm feeling a little more chill. All the casinos are on the Colo River.
And btw, 3 Colo Mountain towns have just approved legalization of 24 hrs gambling, raised limits and putting in craps and roulette! I think it's effective in July or so...One hour from Denver.....(Central City/Blackhawk) and also Cripple Creek...about an hour from Colo Springs...