Good shots, Pat. I'm seriously thinking of getting the 12-14 but I've already got the 17-55 so I think I need to play with it more to see if it provides me with what I want or if I really do need less than the 17mm.
Great sky in the first, I love the second for the warmth of the rising sun, and the third has amazing colours and dynamic range. One little hint for the third one - straighten up the horizon as the pic tilts a touch to the right. Photoshop? measure tool (third tool under eyedropper), draw line along horizon, Image>RotateCanvas>Aribrary>OK and it will be perfectly straight.
And you can get those gloves with the fingertips missing and a mitten folder over top - they look totally nerdy but sure have saved my fingers in early morning/late day shots, or if you want the he-man approach, get those little pocket warmers where you open the packet, shake it up and it stays warm for over an hour. You can stay out later and get more shots! *LOL*