Initially i was skeptical about joining this server since its High rate and all, but i thought i would give it a try...its been 1 year now and has been quite a ride... the Hero quest is something very unique to this server and the custom items are really interesting.. Another issue that concerned me earlier was the fact that there are donates... but trust me, the server makes sure that even the non-donators can be VERY MUCH EQUAL to the donators...and the rest WOE, PVP, HHH (Unique) are amazing. Try it, you won't regret your decision!
For me, DreamerRO is a stable server and a home for both veteran and newbie players of Ragnarok. The events are fun and the Battlegrounds give balance to classes which the third job skills are disabled. The only downside that I can see is the GMs. They are frequently not online but I observe some are online and chat with fellow players. Custom items/equips is one thing that I love the most since you can spend your time doing quests just to get awesome items. Try and you might enjoy this server!