I will be making my 3rd cross country trip ( driving by necessity )  east coast to Oregon.  On my other trips I found Salt Lake City to be a great place to stop and see ladies .  I have looked at the regional boards and buzz boards a few times and have not seen Utah or Salt Lake. Am I stupid, blind or missing something ?  

I would be going by I-80 E or I 94 E. Anyone have suggestions for good hobby spots along the way ?  

Not exactly.

He said he was married to a hooker. So there's at least one there. Or used to be.

If you take I-90, you can stop for condoms at Wall Drug in Wall, SD:
http://en.wikipedia.org/wiki/Wall_Drug

You can take I-29 North from I-80 to I-90.
Interstate Highway System Map