Minions of Mirth is kind of fun and is very similar to what you're describing. It's like a (very) indie version of EQ, but your character is more godlike. What I mean by that is that the game play and world are eerily EQ-like, but it's got things to make it seem easier like multi-classing. These things don't actually make it much easier, they just change the dynamics of the way your character interacts with the world. It still takes a looooong time to get high level, and there is almost always something that you can't kill. That said, you can solo most of the stuff eventually if you pick the right class combinations and get enough gear. There are lots of different items and armor sets to be found, and there is an in-game encyclopedia to help you find upgrades, zone maps, etc. Unfortunately, there aren't many players anymore, but if you are looking to poke around in something that feels like EQ then check it out! It's free-to-play last I checked, but I think there are some restrictions if you don't pay the one-time $30 fee to buy the full version.
http://www.minionsofmirth.com/