There has ... the new CBA has changed things, and salary cap has caught up to some franchises (notably LA).
There's been a lot of movement of players just below the top as well.
Also note Brittany Boyd signed a training camp deal with the Chicago Sky, and she might earn the backup slot to Courtney Vandersloot and play with Candance Parker. And if she can make threes now, the Sky's the limit -- so to speak.