I managed to get to Miami v Thunder in March (in Miami) and Warriors v Kings in San Fran (well, Oakland technically).
Miami was full of bandwagoners, as you'd probably expect, but was a decent game and great to see the big 3 take on Durantula and Westbrook. Also went to a club night hosted by Westbrook and Harden after the game which was pretty funny.
Definitely preferred the Warriors game- such an awesome, friendly crowd and brilliant atmosphere. Tyreke, Cousins, Curry, Ellis and Lee provided PLENTY of highlights, and it was a really close game. Also, we were only 20 rows back and the tickets were just $70. Definitely recommend it.
Definitely try to get to these cities too- so different but amazing in their own ways. Miami is so glitzy it makes LA look normal.