Flopping is a problem in the NBA. It looks like the first step to really correcting the problem is starting in the D-League. They will start assessing in-game technical fouls for flops starting February 20th:
D-League just announced new experiemental rule: Will start assessing in-game technicals for flopping for rest of season
— Marc Stein (@TheSteinLine) February 19, 2014
This is a great move that I hope makes its way into the NBA shortly.