Currently vampires activate their powers via big, square buttons in upper left. It's smooth, quick and does the job.
Changelings, on the other side, have all of their stuff in a "Changeling" tab above chat. It is a huge issue given that some changelings have really a lot of powers (think epi overdose, tentacle, armblade, augmented sight, mute sting, EMP, plus 4-5 of the basic stuff), some of which need to be ready for IMMEDIATE use (say the tentacle to disarm an officer just as he's taking his taser out). The font is small, everything is clamped together, and in the heat of combat the risk of clicking a different power is ridiculous. The entire cling UI is just damn unwieldy.
Therefore I think we should push all of the powers (perhaps besides stuff like absorb, augmented eyesight and evolution menu) to upper left, just where vamps got theirs. It'll make cling experience much, much smoother. It's just a QoL change.