In Preparation of Diablo 3 Launch we now have Character Profiles (Beta) and trade forums.

What are character profiles useful for?
Character profiles will show your Diablo 3 in-game character information, your bio and what items u have for trade, this is very handy so u can show your friends what u have for trade and sale.

How to add character and info?

You can go to in top bar my account -> profile and edit. Here you can fill out your bio. Fill out information about your character and items for trade!

Now here is the cool stuff
If you mouse over some one in members or recently online in forum right bar and bottom you will see a loading cycles wait a little and you will see full information about the users in-game character and what item they have for trade.

New-comers: Please note you must be registered to use the character profiles, please register here

Can i search for specific items with character?
Yes this feature is coming soon.

How can I trade with the players securely?
This will be done in our new 3 trade forums: US, EU and Asia. You list your items for trade, sell or buy on the forums. You can trade for FREE here, there is no fees, you list your items to your friends, and u can do it some hours before doing it inside diablo 3. Also its free advertising of your item, which gives more sale for you. More info coming soon.

Whats the catch? There is also a give away:
10 Random People who will fill out there profile FULLY before 23 May 18:00 GMT will win 200 cookies each! Please reply if you participate for the cookies contest.

Please help us fill out data on character profiles and give feedback on them and reply here if you participate for the 10 random people contest.

http://diablo3x.com/groups/diablo-3/forum/topic/character-profiles-beta-new-trade-forums/