um, unless you pay for them using fileshare software to obtain them would be stealing. Its wrong even if it is from wotc. Discussion of such on these boards is against the rules. Read the piracy line in the TOS :
http://www.ironworksforum.com/ubb/noncgi/rules.html
That said wotc has an extensive book download library, some are free others are not. I do not recall 3rd ed books being available this way though.