I've limited my playing for the last several months to focus on my MBA (finished last week) and my newborn son (17.9 years to go). The challenge is back on. I'm going to focus on the solo content first, then old raids and dungeons, then the miscellaneous stuff, then PVP and finally heroic raids of the latest tier. For now, I'm going to start with all of the quests but I thought I'd share my 125 pets first, with thanks to warcraftpets.com for the locations:
A complete guide to doing every world of warcraft achievement, starting from nothing.