quOoter can post a random quote from nearly any wow-raidboss (incl. pre-bc) to a selectable chat.
usage:
/quooter CHAT
where CHAT can be: s="SAY", e="EMOTE", y="YELL", p="PARTY", g="GUILD", o="OFFICER", ra="RAID", bg="BATTLEGROUND"
e.g.: /quooter bg
installation:
just copy the quooter-folder to worldofwarcraft/interface/addons