Knights in the Nightmare for psp $9.06 with free super saver shipping from amazon. I looked around a lil bit and couldn't find the deal posted, apologies if it already has been.
http://www.amazon.com/Knights-Nightmare-Sony-PSP/dp/B003S55EXC/ref=sr_1_1?ie=UTF8&qid=1304105995&sr=8-1