"Yes, 360 Arcade sales will be huge, but Pro and Elite, not so much, judging by the amount of them sitting on shelves."
Depends on the area. I went shopping early yesterday and a few stores had Arcades left, but no Pro/Elites. Others all elites, but none of the other two. Saw no Wii's and many PS3's which was not a shock as they were all the new high priced bundle. However what is shocking is just how many Wii Fit's are out there. Every place had loads of them