I had that problem and could NOT clear defaults, etc. Download an app called "Homeswitcher" from the marketplace. It's free and works perfectly.
im gettin alot of lag and forcecloses with GDE. i like it alot and im hesitant to swich back but id like to speed it up. any hints?
so where is this update? its not on the market.... and i havent been sent anything to my phone.