Making a separate IC section would perhaps be superfluous (since 18+ content isn't permitted on the public sections, and will thus proceed to be in PM anyway), but a different set of interest checks could be in order, indeed.
	(I wouldn't lump people who want to have an, eh, intimate adventure in the literal form, and people whose posts would occasionally be rated R if they were a movie, though. Heck, I don't think I've ever been in a single RP during the last five years where none of my posts wouldn't be rated R if they were scenes in a movie due to graphic injury... Would the endeavors of an injured soldier struggling for survival in a sci-fi epic setting [i]really[/i] be in the right place among what do their best to be flashing neon "hot bedroom action here!!!" advertisements?)