before you login, goto C:\Documents and Settings\Owner\Application Data\Electronic Arts\Dark Age of Camelot\LotM (or where your lotm folder is)
backup your character-files, should be something like <charname>-41.ini
do this for all your characters.
log in each character, spec it as it was before patch.
logout.
go to the lotm folder again.
restore your backup files back to <charname>-41.ini
login.
play.
-----signature-----
Mahja ~ Ranger ~ Gilded Spear