Yeah, I know the 12mm has been done to death, but bear with me... I have a 45-200 that I never use and the 9-18 that I've never really been entirely satisfied with, there's to much distortion fully open and I don't like having to unlock it all the time. I love my primes to, and the quality of the 12mm is impressive. So, Im thinking sell the 200 and the 9-18 and get the 12mm instead, and just have the one quality lens. Thoughts?