Quote Originally Posted by daniel5600 View Post
Im also looking for a lens of this class. I was set on the Sigma 10-20 3.5. however, been recently convinced that the Tokina 11-16mm f2.8 is a lot nicer.

2.8 goodness, $1000 in Australia, $600 on B&H.

You loose some zoom range, but things im reading suggest its a sharper lens
Yes I read up about the Tokina too. But I think at that price you are right there with the Canon and by all reports the Canon is the Bees Knees.