If you've noticed some "oddness" with some of the arena calculations you're not alone. Blizzard reiterated the changes. So far I've only been on the "good" side of these changes, but your mileage may vary.

Much of the information that leaked in the last few days about the Wrath of the Lich King alpha has already been taken down. Certain nameless parties <cough>myself</cough> have the data files that were leaked, and copies of most of the models that were pieced together if you'd like to see them. However, the testing is now official, so we will invariably be seeing some new screenshots and reports from those not to keen to keep their NDA (or friends thereof).

With a declaration of "I POON IN GAME AND POON IN REAL LIFE, KEEP TRYING TO FLAME ME NERDS" Madxpwner has claimed he has made his last post on the Frostwolf forums. With a declaration of "yes please", the community has crossed it's fingers.