Saw this over at SD.
Costco.com has Halo 3 ODST for $29.99 + tax shipped.
http://www.costco.com/Browse/Product.aspx?Prodid=11488513&topnav=&whse=BC&Ne=4000000&eCat=BC|25429|25532|60313|21684&N=4020038&Mo=42&No=41&Nr=P_CatalogName:BC&cat=21684&Ns=P_Price|1||P_SignDesc1&lang=en-US&Sp=C&ViewAll=43&hierPath=25429*25532*60313*21684*
Costco.com has Halo 3 ODST for $29.99 + tax shipped.
http://www.costco.com/Browse/Product.aspx?Prodid=11488513&topnav=&whse=BC&Ne=4000000&eCat=BC|25429|25532|60313|21684&N=4020038&Mo=42&No=41&Nr=P_CatalogName:BC&cat=21684&Ns=P_Price|1||P_SignDesc1&lang=en-US&Sp=C&ViewAll=43&hierPath=25429*25532*60313*21684*