I'd consider it if the LFD tool was present on these new realms.
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Totally feel ya there...guild broke up at Mount Hyjal, and there I was trying to get a spot as a hunter in another raiding guild that'd been together for almost 2 years. Even on a relatively big realm like Whitemane, there were very few non-gdkp runs taking place for even heroics. I just ended up doing pvp most of the time and even that got too boring to justify the sub for me. I was really looking forward to the LFD tool in wrath, but they ditched that so I'm done.