AO was my first and only online love... I could play it for a long time. Wow is really good, but I can play a month, then stop for 3, then play again. AO has some really deep game mechanics when it comes to character building and tweaking. there are a loooooooot of skills, and nearly all can find a useful application. The nice thing are the implants, wich are a way to buff you permanently. It became a real sport to make PVP with a lvl 30 character using level 100+ stuff, haha! On the other hand, the grinding and missions are way too repetitive.

 So, old, but was good some time ago ^^