Handy Macro for Dominators

[TrashBasher]

/bind w "+forward$$powexec_name Domination"
 

Fires off Domination when it is available and you walk forward.  Since "Domination" isn't "recharging" you don't get that message and it doesn't prevent your auto cast from firing.

[GM Korvin]

You might want to take a look at this post:

It allows for both Hasten and Domination to work at the same time - it takes a bit more work to set up, but it might be more useful in the long run. Hope it helps!