Just thought I'd mention a couple of things I've come across on the Public Test Realm. I'm sure I'll be adding more to the list in the coming weeks. You can also go [url=http://www.worldofwarcraft.com/patchnotes/test-realm-patchnotes.html]here[/url] to view the official patch notes, I just thought I would mention a few things that were not included in Blizzard's notes.
1. Rep gains are significantly higher. Stacks of Encrypted Twilight Texts in Silithus are giving me 250 rep with CC, up from the current 100. Save your texts!! Also, I made a level 1 Night Elf priest to level while I was waiting for my character copy, and by level 8 it was already honored with Darnassus.
2. There are now stacks of 22 dps ammo purchasable from any ammo vendor. This is mostly pertinent to hunters, but I'm sure any class that can use a ranged weapon will appreciate it.
That's it for now. Hopefully the other guild members who are on the test realm will have some valuable input as well.