Well at first i went to the shop where i bought my wrist straps, well obviously all their stuff is new and the jacket there looked very* cheap.
So it lead me to ebay, four weeks later i bided on a 1983 original authentic one. Since ebay way being rather crap and delaying it, it took another month for me to get the jacket but now i got it and it rocks!
I recommend you use that shop though.
My old thriller jacket has been word 3 times by its previous owner (they say), bought is Los Angalies California for $800, i payed £280, around $560, i think i got a good deal so i just wanted to announce my luck.