1. The ability to create preset categorie that we can collaspe or expand
2. manual deghosting by selection mask.
3. better denoising control post processing by painting the strenght of denoising directly on picture.
and optional the ability uniformize picture denoising by adding grain.
4. ( i know you won't like it but anyway ) The possibility to switch between Opencl and Cuda ( cuda is faster than Opencl on Nvidia card, and is more stable )
5. improve saving stability, ( i personnaly had a lot of trouble when saving my work, when i'm in border line of memory )
6. ( a little out but ) the ability to have the SuperResolution Algorithm inside sns, to denoise and improve image quality.
http://en.wikipedia.org/wiki/Superresolution