1.) Uldah.

2.) Leves (which can be easy or hard depending how many stars you set them to), Grinding (easy or hard), Side Quests (easy), R35NMs (easy or hard depending on your level), R50+NMs (easy or hard), Behest (if done at the camps where no one goes, its easy to find one to duo/trio without strangers).

3.) Help lowbies fight the R35NMs. Faction Leves. 50+ World NMs. Regular Leves (to get faction points). Zerging things like R90 goblins or, if you prefer, attempting to kill them "legit" like. Coming soon are the Dungeon Raids, encampments, companies, etc. There have been rumors of hamlet defense eventually, and large scale PvE way down the line.