On the topic of replacing Leeching with something more useful:
I was brainstorming a few days ago about leeching/smoke bomb/ and another talent in the same tier. Leeching would be more of a Tranquility style HOT, when activated all friendly targets can now be hit with your Fan of Knives. This effect would stack like Tranquility, and heal over time. Similarly Smoke Bomb is now a talent on that same tier, same effect. For the life of me I can't remember what the 3rd choice was.
I'm sure that would require some serious balancing, but at least it would break up the cookie cutter talents. My raiding talents have rarely changed since 5.0. Very situational stuff like solo interrupting Sul on H Council with Deadly Throw.
The only time I use Recup at this time is when an enemy dies with CP on them and Redirect is down :S