Let's see...
1) Undoing a pointless and ill-thought nerf.
2) An actual buff in certain uncommon (though not as rare as I first thought) situations. Kinda disappears a few levels later when you just get the DR-bypassing +3 enhancement bonus, though.
3) A buff, although you still wind up paying twice as much for your weapons with a lower cap on the maximum effect.
I'm not going to look upon this with disdain, although I'm disappointed that it's all very minor. I'm not as familiar with the PF Monk to comment on how this changes things, but for the 3.5 Monk it wouldn't really make a difference.