I'm not a professional photographer, but I am thoroughly enjoying taking photographs and have found the Canon 50mm f/1.4 to be a joy to use.
I'm quite interested in the 85mm prime but the mid-range lens, the f/1.8 doesn't offer the same sort of aperture to be found on the 50mm.
Is it worth the extra cash to go for the L series f/1.2 lens. Of course I'm sure that you'll get more than just a wider aperture, the glass quality must be excellent, but it is a big jump in price ($358 -> $2,049).
I'd...