The Canon Direct Store has the Speedlite 600EX-RT refurbished for $373, in-stock right now, as of writing!
Also in-stock at this time are: the 70-200L II for $1699, the 85L for $1495, the 135L for $740, or the 100L Macro for $713. You can see the full list at our refurbished stock tracker, or set a notification to get e-mailed immediately when things go in-stock.