Spurs have been known for this for years. Horry & Bowen are well known for their cheap shots, especially when they assume no one is looking. Bowen is the master of kicking his rivals between the legs (see Nash, Iverson, Kidd, DWade etc...etc..). The Spurs play like bullies with hopes of intimidation. They beat the hell out of the Suns last year and it had positive results against them for last year and this year.
The current Pistons play a similar game (just like the bad boyz). They bully and push the limits physically as far as they possibley can.