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3. matter Transference: by targetting a mob/object in line of sight you initiate an exchange of matter and essentially swap places with the target. the sudden appearance allows the user to initiate a second transfer before any nearby foes have a chance to react (like the TP foe reaction delay). Foes transported have a high chance of disorientation.
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From what your saying it appears this would need a target in order to work. So either you would have to have mobs to target (and end up in the middle of a group if you're not quick enough) or you'd need to wait until the clutter in city zones is targettable.
Nice idea, but I don't think feasible without an overhaul.
you could target your team-mates 
hey, they have SS, they can catch up
the delayed reaction would be long enough to allow you to activate the power again withing a certain , short, time frame. any other power activation or action would break the delay and land the player in deep kaka....
yes, matter transference would require a target. Didnt notice that little pitfall... oops.
a teleport variant:
teleport moves you to an empty location but what if, instead of teleportation you used matter transference ?
power pool:
1. Matter manipulation: you can alter your own matter density slightly resulting in a tougher , more resistant body. Self: toggle: +res smashing/lethal , - jumping ,
2. Matter Dispersion: Target, foe -spd, foe knockdown/back/up resistance debuff
You can modify the matter density of a target slightly reducing its density and making it more susceptible to knck effects.
3. matter Transference: by targetting a mob/object in line of sight you initiate an exchange of matter and essentially swap places with the target. the sudden appearance allows the user to initiate a second transfer before any nearby foes have a chance to react (like the TP foe reaction delay). Foes transported have a high chance of disorientation.
4. Mass effect: you can compact matter into a pin point of super dense material causing a minor gravity effect in a local area. Any foes in or moving through the area of effect have a chance of being dragged toward the focal point. targetted AoE , foe slow, chance of foe knockback (toward the focal point).