Yes, the Bower/Rokinon/Samyang 14mm f/2.8 is an awesome lens, and at just over $400 it's quite a steal
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!):
Now granted, mine are rather underexposed (luckily it was due to bad post-processing), but I'm planning on fixing that in Lightroom after I get back from vacation. See what I mean with the clouds though?