50 will get more bokeh than 35. but only a very very tiny amount, not worth sacrificing the field of view.
also, going from 35mm DX to 50mm on full frame. i've noticed although i get same field of view in the photo, there is a lot of difference in perspective. 35mm feels quite different to 50mm. standing at similar distance to a subject, the 35mm will make the subject seems further away, even when resulting photo's field of view is the same.
so although people say 35mm is a standard 50 on crop, it's not true. only thing that's changed is the field of view, you are cropping the field of view. the actual lens properties (eg 35mm has some slight wide angle properties) are still unchanged.
but having said that, a 35mm is way more useful than 50mm for DX cameras. it makes using it indoors a viable option. after all, you are buying a low-light lens.