1. Will the Protoss be getting any mechanism for healing their units or repairing their buildings? 2. With the new physics engine, can explosions affect surroundings? (like hurt or push units, destroy doodads, etc ) (sc2blog.com) 3. How long does a unit typically take to make from concept to playable unit? 4. Are the units on the official site finalized, or is everything still up for grabs at this point? (gamereplays.org) 5. What do the Protoss eat? (where do they get energy and mass?) (starcraftcz.com)