TRU online has Syphon Filter Dark Mirror for the PSP for $19.99, free shipping.
Add in $10 off with Google Checkout and pick it up for $9.99 + shipping.
edit: sales tax may apply
http://www.toysrus.com/product/index.jsp?productId=2309111&cp&type=trigger&searchId=2675576&promoId=2675576&parentPage=search
Add in $10 off with Google Checkout and pick it up for $9.99 + shipping.
edit: sales tax may apply
http://www.toysrus.com/product/index.jsp?productId=2309111&cp&type=trigger&searchId=2675576&promoId=2675576&parentPage=search