So, here's the thing... I lack a film quality costume. I am in the market for one, with a limited budget. I've been told that Imperial crewman or officer would be a nice costume to try for on a budget, but I was hoping to go for something a lil' more fancy... or at least something with a fancy hat.

So, I have abandoned my dreams of buying any type of trooper, or TK, as I heard you guys call it. Instead, I figure Gunner or TIE pilot would be cheaper.
I have heard of the infinite Star Wars wisdom you guys possess, and I was wondering if a few of you could maybe give me some prices. I have no experience fabricating or costume-making, so I would probably have to buy it all. If its something with a jumpsuit, I may be able to find something at a local Army-Navy surplus store.
So... suggestions for costume on a budget, anyone?