torn!! tokina vs tokina vs sigma

i know there are pros and cons of all the 3 lens but need help deciding.

tokina 10-17 DX fisheye

tokina 12-24
or

sigma 10-20

would i eventually get tired of the fishyness of the 10-17. is either sharper or have better contrast and saturation than the others?

I have the Tokina 12-24mm and the build quality is exceptional. I also like the design of the focus clutch quite a bit. I haven't used the other lenses though, so I can't comment.

I think this was a 20 second or so exposure of me smoking a cigar.

I have a Tokina 12-24 and have used it with a 350D

All the pics on this page were taken with it (day 1). Some full size jpgs are on site as well (after being converted from RAW).
http://www.poseruniver​se.net …/Kosciuszko/KNP​_Top_L.htm

Here are some test shots at all apertures at different focal lengths.

http://www.poseruniver​se.net …22_24/Tokina12_​24_Top.htm

I think it is a good lens, built like a tank and IQ more than meets my needs which are web publishing and prints up to A4
I have not used any other ultra wide zooms.
Hope this helps.

I have the Canon ef-s 10-22, 10mm on the wide end is very nice to have, IMO.