Yes, I do know about seeing a member's join date from the profile, but it's a couple of extra clicks and a few seconds wasted. Sad to say, in this day of instant everything, I sometimes get impatient with the internet.
Also, I changed my avatar because I noticed (with the larger avatars here) that mine had a prominent Cubits.org watermark across it. I never paid attention to that when it was smaller. I don't use one anymore, but do you plan to make them available on ATP?