Tip: Rapidly fire yourself with your gun during jetpack. You can even reach 1000 meters high in early game, also you'll be really fast, can make you farm money faster.
deny my previous comment, this is %100 copy of morrowind theme...
http://www.youtube.com/watch?v=ZWuNf4gxwuM
don't know what's the real purpose of using exactly same song on other game which is not connected between them.
 "Toss the Turtle")
 "League of Angels"){kind=icon}
 "Wartune")