I think you've been searching for the wrong lens. There's no such thing as a EF 80mm f1.8. I think you mean the 85mm f1.8 - try searching that, there's lots all over the place.
EOS 30D (Need EOS 1D Mark III)
Own: EF-S 18-55mm f3.5-5.6, EF 35-80mm f4-5.6, EF 75-300mm f4-5.6 USM, EF 50mm f1.8
Want: EF-S 10-22mm f3.5-4.5, EF 24-70mm f2.8LEF 70-200mm f2.8L, EF 100mm f2.8 Macro USM
Want: 580 EX II, another 430EX