Don't forget if you are using a previously created account to remove the authorization block if you wish to login into the new 5.8 login server.
I kinda missed this with my initial return to EQEmu and was stuck for a wee bit when it would just say my name\password was invalid.
Info can be found here
http://www.eqemulator.net/forums/viewtopic.php?t=16882
Happy Happy! Joy Joy!