Directories help in terms of traffic and rankings... quality links coming from high PR directories will definitely help your rankings.
Yeah arcel is right, I choose Directories with high PR and that give me a quality backlinks. You can search a list of Directories with PR in SE
Can you explain what is lionheart rosettes please? And who is likely to search for that keyword? Check out my site www.seccomt.com it has a PR:3 and you can list your site for free......and soon to be PR:4 or 5 the next time Google is giving out PR.