you can import ratings from other sites if you do have any elsewhere (imdb, criticker, icheckmovies etc). might even be able to do it from rym if you can export from rym as a csv file, i know there's an export function but i never tried it.
traveler, acerus, unaussprechlichen kulten, dipygus and savage oath, in roughly that order. only really love the traveler so far though, big surprise to me as i was never a big fan before. i'll have to revisit the others.