Just in case you guys don't know, Final Sanction is avaliable for free download on drivethrurpg.com, which is also FFG's vender for all of the PDF version of Dark Heresy and Rogue Trader

And what happens if someone does not have a credie/debit card?

You can download....just skip ahead and push continue..

Uhm.... there is already a thread where the download is mentioned.

www.fantasyflightgames.com/edge_foros_discusion.asp