I looked so I'm not sure if this is a repost but Circuit City has Rogue Galaxy for $19.99 but it only for online, no in store.
http://www.circuitcity.com/ssm/Rogue-Galaxy-PlayStation-2-711719749028/sem/rpsm/oid/157537/catOid/-13226/rpem/ccd/productDetail.do
http://www.circuitcity.com/ssm/Rogue-Galaxy-PlayStation-2-711719749028/sem/rpsm/oid/157537/catOid/-13226/rpem/ccd/productDetail.do