AUTO BALANCE MUST BE TURNED OFF FOR GRAVITY BOOSTING.
1 - Rolling multiple missile trains
2- Gravity Boosting (this is what causes some people to cry hacks)
3- Boost Turning
Lot's of words in this one, and yet I still don't think it describes boost turning/grav-boosting well enough. Those two are something I learned over the past 3 years of PvP but suck at describing. I hope the video at least shows them well enough so people get the idea.
Note for gravity boosting: Keep your mouse near the center, and move it slightly, this stops auto-balance from correcting you (yes, even if you have it turned off, the game eventually tries to realign your gear).
Music is Inspektor K - Incognito