The CBT is only 1 week left, so you should wait for the OBT.
The game is indeed what a RO player would want to play, it is very dynamic and holds a lot of potential in terms of gameplay, development and community.
I would’t say that it will disappoint you, when I first played I was confused a lot about the balance state and some design decisions, but after a while when I get used to it and understand how things go, play a few different classes,… I realized that it is actually very great, and even though it might look bad, what we are having here is an unfinished game in a CBT. The concept is great, the core gameplay is great, many other things like the main stories, side stories, little details on maps and monsters, many kinds of interaction …are great; so there’s definitely a lot of room for improvement and development.
We got massacred by Poring and Thief bugs in RO, no mp pots, not that many items early game, no quest indications, no maps, and we survived that and had fun. Now people simple complain and get pissed of everything.