We have a street price special on the EF 100-400mm f/4.5-5.6L IS II for $1799. It’s brand new from Canon authorized dealers with a 1-year Canon USA warranty, but not eligible for the current lens-combo mail-in rebate and CarePAK promotion.
Alternatively, the Canon Direct Store now has the refurbished EF 100-400mm f/4.5-5.6L IS II in stock for $1759.20. It comes with a 1-year Canon USA warranty and free shipping.