Not to get all pot-snobby here, but buying pot legally at a dispensary has gone from a completely mind-blowing unique experience to one I equate with all my other weekly errands. That's not to say I don't enjoy it, but I've found that I treat it along the same lines as a trip to the grocery store. And as with the grocery store, I've found that the best time to hit up a dispensary is during Broncos games. No crowds, no traffic, and you can usually get in and out in time to catch the other three quarters and be off the roads before the drunks leave the bars.
See also: "Marijuana-Hating Town's Extreme Efforts to Block a Pot Shop"