Depnds on who I am with - one of my traveling companions absolutely LOVES the roller coasters and she would go over and over if she could. When I travel with hubby, he has his favorites, but isn't really interested in doing stuff repetively. I don't get motion sick, but RnRC does give me headache after doing it more than once.
I agree about Space being hard to get out of... 7D is also a bit difficult to get into and out for me.
Truthfully, I have done all of them (other than teacups) so many times, if there is time and a short line, maybe we'll do them, but I have my absolute favorites that are more attractive now, FOP, Na'vi, Guardians, and don't fixate on rides like we used to.
Do really enjoy some of the shows though.