6ave (99.2% approval) has the Canon EF 24-70mm f/4L IS for $646 (Reg $899) via ebay.
PRODUCT HIGHLIGHTS
- EF Mount L-Series Lens
- Aperture Range: f/4.0-22
- Two UD & Two Super UD Lens Elements
- Dual Aspherical Lens Elements
- Hybrid Image Stabilization (IS)
- Ring-Type Ultrasonic Autofocus Motor
- Macro Mode with 0.7x Magnification
- Weather Resistant to Dust & Moisture
- Fluorine Coatings Reduce Fingerprints
- Zoom Lock Lever
Canon EF 24-70mm f/4L IS $646 (Reg $899)
*Note These are likely grey market items and may not qualify for a Canon USA warranty (You shouldn’t have an issue). Please check with the seller to see if they offer additional warranty.