Obryn
Hero
I love Savage Worlds, and it is indeed a good mechanic.Making each into a power is an extreme response, though, when there is a simpler answer. As I mentioned above, Savage Worlds provides a single Trick mechanic to represent a wide variety of these types of maneuvers. This one mechanic can be balanced for effectiveness, while being functional for a wide variety of things the PCs attempt.
However.
While the narrative differences can be substantial, the mechanical difference boils down to one of two kinds of tricks (iirc, Contest of Wills, but I don't have the books in front of me). And the mechanics are pretty simple too - they don't vary based on the kind of trick.
I don't really think it's much like 4e powers at all, basically. While it's a simple and tight mechanic, it is a great deal less versatile.
-O