Canon EF 200mm f/2L IS USM Telephoto Lens: $4,300 After Rebate

Amazon has the top-of-the line Canon EF 200mm f/2L IS USM Telephoto Lens for Canon Digital SLR Cameras for $4,800, which is 20% off the list price of $5,999 (a savings of $1,199). Canon has a rebate of $500 right now on this lens; here's the link to the rebate.