Tyler Caraway of WoW.com has posted his guide to AddOns and UIs for Balance Druids. It covers raiding mods, healing mods, threat mods, Eclipse mods and spell casting mods. He also includes overall tips for UI usage. This is current as of WoW Patch 3.3.3.
[Balance] Guide to Moonkin AddOns and UI tips
April 27, 2010 By
WoW Patch 3.3 Moonkin spell rotation, glyphs and AddOns
December 29, 2009 By
Altosis is the Druid Officer in his guild and has compiled a list of basics for raiding Balance Moonkin recruits. It covers spell rotation for maximum dps, idols, glyphs, consumables and AddOns. Current for Icecrown Patch 3.3.
Raiding Balance Moonkin Druid UI and AddOns
March 12, 2009 By
Pilsner at From Cow to Chicken posts her UI for Raiding Balance Moonkin Druid. She also lists the AddOns she uses with links to each one.