I really like a sort of younger woman - older woman mentor relationship in fic (meant in a gen way, not femslashy). See this Yuletide fic for a good example. I realized this after I saw that I'd written it myself a number of times without being aware of it as a trope that I liked.

I also like stories with a competent female protagonist who does stuff (solves problems, has action adventures, whatever) with no romance at all. That kind of story is often a comfort read for me.