*One keeps hearing fantasy and sci-fi sells however I do see so many posts, more and more, requesting more real world items and settings.

I'd love to see more sci-fi and fantasy...NORMAL sci-fi and fantasy, not g-strings.  Try something simple like reconstructing the characters and outfits from a show like Serenity and see how far you get.  Not that I have, but just from what I know about available content I bet it'd be pretty hard.  If Metal Hurlant is your thing, you're covered.  Otherwise there are biiiig gaps.