Any good Free-To-Play MMORPGs?

I've been playing SRO for a while now and I'm just sick of all these bots, spam-bots, lag and and gold-buyers. The most frustrating part about it is that there are literally thousands of bots running around the game and the company isn't doing anything about. So I'm considering quitting and looking for another game I could play during my free time. I've tried FLYFF, Ragnarok and Maple (it sucked!) but did not really like them as much. I was considering Dekaron:2Moons but it appears like it's just gonna' be another SRO in a matter of months. Any suggestions?