Replacing Radio and Rack

[Denham33]

I have been looking locally and having a hard time finding a place that can pull out old radio and CD storage rack and put in new radio and gps system. I know it will entail moving the heating/AC control panel to lower rack and installing radio and gps in upper slots.

Has anyone found good system for 1999 Porsche?
Who would you recommend to do that kind of work?

I thought I read on here about someone who made one that worked really well, but can't seem to find the post and new to site.