Here is a fun little mod thats reversable, so if you dont like it you can go back.

http://www.stingerrc.com/heli_articl...lade_CX_Titan/

I must sat though, using broken blades to make grips, has saved me from breaking many blades. I know the blades are cheap, but its a pain, to go get new ones and replace, after a crash.
With these, I just fold them back out, and continue flying