Redmine

Hi everyone;
I would need some help within the custom fields. In the mean time, we have too many of them (and yes - we need them all :) ) and it is really hard as administrator to have an overview.
(administration section - custom fields - list of custom fields)
Are there any patches out there, which will allow a better sorting? Not only up and down. For example group fields to the projects, where they are used.
Thanks everyone for your ideas.
Martina