Let's get one thing straight: we still love a traditional happy hour, but sometimes two-for one beers and a lame game of darts isn't going to cut it. When you're looking for something a lot more smooth, these 25 after work spots are great at taking happy hour to the next level, and break a few rules in the process (ping pong, city views, art installments!) Loosen your tie, put down the Blackberry, and get ready to wind down...