Originally posted by jonnin:

If you still have your old build that was slow, fire it up and see if it is giving good FPS under the current patch?

note also the patch may take some time to instal/run first time from your "old world" logging out after a bit of a look see should be more indicative when you log in second time of normal loading time.. (no im not a dev and dont think ive slept with one :-) )