I see where you are coming from. For some reason, I kept thinking that it set the bonus to a fix value, rather than increase it by a certain amount. 
I guess they would stack, if you are willing to burn 2 feats on boosting an encounter power (though it certainly seems useful if you want to ensure your dailies land or something).

I guess they would stack, if you are willing to burn 2 feats on boosting an encounter power (though it certainly seems useful if you want to ensure your dailies land or something).
