I stumbled upon a forum page for UI junkies out there to learn what the new cool stuff out there is.
http://www.wowinterface.com/forums/forumdisplay.php?f=79
I found this addon and am thinking about tryin it out to see if it works. It's called Gnomish Yellow Pages. It basically reads every profession link that gets sent out in trade and gchat, remembers the recipes and so now you have a database of known people who have that recipe.
http://wow.curse.com/downloads/wow-addons/details/gnomishyellowpages.aspx