Vessel

• Surface Velocity
• G-Force
• Acceleration
• Thrust
• TWR
• Mass
• Pitch

Position

• Altitude (Terrain)
• Altitude (Sea Level)
• Downrange Distance
• Latitude
• Longitude

Orbit

• Apoapsis
• Periapsis
• Inclination
• Orbital Velocity
• Gravity

Target

• Distance
• Target Velocity

Resources

• Stage DeltaV
• Vessel DeltaV

Science

• Pressure
• Temperature

The remaining three values are not needed for release, as they probably will not get much use. I am closing this problem, but these values may be added in the future.