As long as you finish every quest in the zone you're in before moving to the next area you will be fine.
1-60 on just quests no grind. If you get stuck on an Elite quest just /who and ask a 60 for help, toss them a gold.
You can raid once a week, what to do the rest of the week? LOL
I've been killing every worthless waste of air Alliance member I see for weeks. I can only hope to see my name on one of these lists to assure the rest of the Horde I'm doing my job.
Pve is verymuch alive, everytime Im in a zone with a dungeon I see loads of players from both factions out front of them forming groups and doing runs.