It doesn’t matter if this is remotely feasible. It doesn’t matter if it’s overwhelmingly sad and disgusting. It doesn’t matter if the author is nuttier than a Pay Day. If you call a book Love + Sex With Robots, it’s going to be more popular than vodka in a Soviet bread line. Talk about a guaranteed bestseller.
The Real Doll loons and Asimov fanfic authors are going to be lined up around the block for this one… 
Yowza. If that spare face and receptacle ain’t sexy, then I don’t want to know what sexy is.
*blech*
I just have to tell you how much I love the word “bleurgh.” Thank you for that.
I’m telling ya’ this is the growth industry of the future for the “shut in tin-foil-hat” set.
Oh, and don’t forget the hikikomori crowd: http://www.nytimes.com/2006/01/15/magazine/15japanese.html?_r=3&oref=slogin&oref=slogin&oref=slogin
The demographic profiles for sex robots are limitless!