http://www.meritline.com/psp-memory-stick-pro-duo-adapter---p-38213.aspx?source=nl090904&emc=el&m=1797052&l=25&v=5dae83cca7 These tend to go on sale every once a while and often hit 3.99 + free SH. From there, the microSD cards tend to be cheap and a lot of devices uses them so if you ever...