I have to say that I'm wholeheartedly supportive of the massive expansion of shopping events into shopping & drinking events - especially when they include mimosas. Here's another one to add to your list, in case you need to get rid of more of your paycheck than you already did at last week's Cusp opening and DSS.
Billed as a "Blowout Sale," the monthly location-changing shopping event shows up this time
Saturday 10 March
Left Bank Lounge (club? cafe? restaurant? it changes its mind, but not as often as when it was the much-beloved Cities - ahhh, the memories...)
2424 18th Street NW
Don't forget the "free-flowing mimosas" while supplies last (it's a bar - while supplies last? c'mon - I smell hedging.) Translation: get there early if you want a free drink.
The ON LOKATION concept is a "free of traditional mortar and bricks" one. Each month, their shopping events rotate to new locations, becoming one with the city and style.