I'm happy to say Hello to anyone on Facebook, that's just about all I do on there. facebook.com/steve.blair2
Lets dispel the myth though shall we ? Its not a little slow on this site because members are all on facebook frantically spending all hours of the day and night chatting to each other. It just not like that. So you are not really missing anything if you haven't bothered to sign up.
Personally I'm finding that the friends I exchange messages with on FB are the same few people that I am in contact with on this site via PM or MSN, Yahoo messenger or Skype and yes even by text message on my mobile.