Everquest 1 and 2,
Everquest 1:- Best Raid and Group systems of any MMO EVER BY FAR and BEYOND - AMAZING in htose regards, but dated graphics and engine make it hard for SoE to keep it modern in any shape or form.
EverQuest 2:- Amazing graphics even for a 7 year old game, its BEAUTIFUL, gameplay is very very very fluid, the world is well realized and puts WoW to shame...and my god the lore, The EQ franchise in general has unparallelled Story, and i love the way it doesn't feed you every little detail about the story...you have to look for it.
SoE knows how to draw a player into its worlds - But doesn't know how to cater to the casual crowd...which is not a bad thing.
...uhh...ill just put my favorite quote of all time here.
"Welcome to Pain, the second of three...You have dealt the first...now deal with me!!"