Are you noticing a lot of these games ending in the 150's and above, when in the past the same games struggled to get to 140?

That's because the powers that be are vigilant in calling the new no hand check / no arm bar rule, leading to more scoring and as a result more free throws.

The line makers haven't adjusted fully yet, now is the time to exploit the over on the totals, because you know the books will catch up fast.