Being 2d or 3d means nothing. the entire point of the client(and the download and setup, thereof) is to render the right images on the screen at the right time. Now, say I were having graphical issues, thats purely CPU territory. Massive lag is due to my poor internet connection. I can play other MMOs, though with occasional lag spikes, but since this is purely Peer-to-Peer it runs into the same issue you would with CounterStrike, Age of Chivalry, or any other game that bridges a group of users to one particular users computer. Lag is inevitable, for some, based on connection rate and distance.