Many of you are probably familiar with the Michael Edwards Fragrances of the World website that lets you specify a perfume you already like, then get recommendations for 3 other fragrances you might like. At the moment, you can narrow your choice by which site you use to access his database.
Access from the main Michael Edwards site, and your recommendations will be selected from fragrances that have won Fifi awards since 1973.
Access from this other Michael Edwards page, and get only French fragrance recommendations.
Choose from cosmeticnews.com (the link is on the left column), and get recommendations of niche fragrances.