Currently working on the concept of an Envoy 14/Solarian 6 sprinter. Based with human to get two starting feats, Jet Dash and Mobility. Eventually taking Fleet and Unarmed.
Envoy gives a wide spread of skills and skill points, Solarian makes it so we have all the class skills.
Shield Solarian 6 gives a boost to AC and resistance, and grants access to some movement-based abilities such as Stellar Rush, Gravity Boost, and Blazing Orbit. Sidereal Influence can buff the envoy Bluff and Diplomacy/Intimidate.
This build has only been tested so far as a Envoy/Solar 1/1. The character can rush in and deal damage faster than other melee party members, and can often dispatch most enemies via AoO as they try to avoid ranged characters attacks.