Note to self: Naxx guide on WoW.com, and Naxx gear suggestions?

Ready Check: Guide to Naxxramas (Arachnid Quarter):

This week's article examines the Arachnid Quarter, and we'll be visiting the other quarters in upcoming articles. We'll look at each boss on both normal and heroic modes, pointing out the differences (beyond HP increases). Generally, if you've defeated the boss on normal mode, there are only minor changes to adapt to on heroic mode (and vice versa).

And the raiding, ur, reading begins...

EDIT: Need to find a moonkin equiv for this mage guide to minimum Naxx gear.