There are also special guides for boosted characters in order to level from 58-60 without going to Outland. There are guides for Draenei and Blood Elf starting zones, as well as Alliance and Horde Outland guides for 58-70. It competely supports Burning Crusade Classic. Also there is an arrow pointing in the direction towards the next step. Locations referenced in the guide are shown on the map and minimap.
Only for some steps completion has to be confirmed manually (such as resupplying, getting new skills, etc). Guides are shown as a list of steps where the progress is updated automatically as much as possible (quests picked up / completed, quest A WoW Classic and Burning Crusade Classic addon for leveling guides with automatic progress updates What does it do?