Any ideas, I'll start to comment my ideas once someone posts their thoughts...
But some things to keep in mind:
How to keep an eye on where your going and figure out how to get there.
Do you use a device or the origin form where you depart.
How do you take other objects with you.
Does Einsteins Relativity cause discourse in this matter, are there ways to combat his multitude of theories?
How do you contain everything if the device is onboard in a symbiotic measure.