Or do the Ganking...LOL
This is primarily a PVP game with a whole lot of grinding to lvl....also if you are into quests..I am....
Find a guild to join or start one at lvl 20 and go out and get into trouble........
Its Not your graphics card ....The game servers are known to have issues with lag which causes jumping.
almost all of the player base have experienced it at one time or another....it comes and goes.
relog and it should stop.