is this any good?
http://www.warehouseexpress.com/search/Default.aspx?q=tamron&cat02=2020&ShowAll=1&sortby=NME_ASC&eng=google&cmp=Lenses_-_Generic&adg=Top_Touch_Keywords_(Tamron)&kw=Tamron+Lenses+E&campaign=g-Lenses_-_Generic&ms=Latitude&utm_source=Latitude_Google&utm_medium=Warehouse_Express_Cameras_and_Lenses&utm_campaign=Top_Touch_Keywords_(Tamron)&utm_term=Tamron+Lenses+Exact

check ebay too



You don't have to be mad but it helps.