Wrath delayed in China

Earlier today Blizzard posted a preview of Ulduar, the tier 8 raid coming up in patch 3.1 (which they promise will be on the PTRs "very soon"). Most of it looks really cool - 14 bosses, massive rooms, hard modes. However, there is one topic that Blizzard enthused about that really worries me: vehicle combat.We've already seen some vehicle-based boss fights in Eregos (the final boss of the Oculus)