Yes, the Bower/Rokinon/Samyang 14mm f/2.8 is an awesome lens, and at just over $400 it's quite a steal

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As for your photo, I like the composition, but (to me at least) the image seems kind of flat... The positions of the clouds really make a good landscape. Could you post the color one, just so I could compare the two?
As for me, here's a couple that I took with it (all comments are welcome!):