A real world feasibility study regarding Jet Packs as a mainstream transportation tool: http://www.youtube.com/watch?v=8X18UYqzV0s Needless to say the results are positively SHOCKING.

The mass observation, coupled with the size constraints observed, indicates the object at the centre of the galaxy is definitely composed of some exotically dense form of matter.

Exotically dense.. so we're talking what.. George-w-bush-head caliber numbers? If so it's a wonder helicopters can still carry him around with the mass of 2 million suns on his shoulders.