Site Tour - Your Visitors
Your Visitors menu lists members who have looked at your profile.You can see who has checked you out by clicking on the "Your Visitors" menu on the right-hand side menu. 
Your Visitors lists who looked at your profile, how long ago, and a thumbnail of the member. You can link to their profile from here. (Click for larger image.) You'll see a list of members who have viewed your profile, and can link to their profiles right from that list to check them out too. And hey, if you like what you see, why not send them a Private Message and let them know?
We don't keep a complete list of which members have viewed your profile, just the last 30. That's enough, isn't it?