I have this lens myself and I absolutely love it for the 11mm focal length, the sharpness, and the f/2.8.
Found a good deal on eBay and wanted to share with you all. Seller has good feedback and offers this Tokina 11-16mm f/2.8 with free shipping in as new condition.
If you are in the market for a wide angel lens, you might be interested in this auction:
