[Canada] Dell: 4GB M2 Micro with Memory Stick Pro Duo Adapter - $29.99

[Firestorm]

http://accessories.dell.com/sna/products/Accessories/productdetail.aspx?c=ca&l=en&s=dhs&cs=cadhs1&sku=A1282647

Works for your PSP.

Source: http://www.redflagdeals.com/forums/showthread.php?t=609711