Lagforge is still such. The problem really presists from your HDD not being as fast as your ram. Simply put - if you are holding 512MB of info on ram, and teh rest on your drive - the inherant chop you get is from (usually) information spooling in and out of your HDD. Trust me, 512 fills up fast when you run as many texutres as WoW.

I play Alliance, and use Darnassus or Stormwind as my base.