I really like the Mindfray, the Inspiration and stunning. The rest are mostly too magical to fit, in my opinion (this has been discussed before).
Another idea I had for some time is "Psi Disturbance", which TUs, Stamina, Reactions, Firing, Throwing, Strength and Melee by 15%. It's not much, but it would be very easy to perform when compared to the standard powers.