Ok, first of all... good for you. Wear what you want/like.

Second of all, why spandex and not mountain bike style bike shorts? They're the same inside but baggy (normal looking) on the outside. Sounds like you are/were concerned with they way the spandex looks.

Third, TMI on the pubes comment, but since you mentioned it, get some of this...
http://www.bodyglide.com/
I use it between my ass cheeks and on my nips when running. If I believed in god I'd say it was a godsend.