how long will it take to get to level 70 depends on how many hours you play everyday, and how good you are geared and your luck/skill on finding/making groups. if you are reasonably well geared (at least some average bazaar gear), you should be able to tank early teir PoP np.
rough guess, 50 - 80 hours of grind to get to 70, and plus 50 - 80 hrs to get the basical AAs that'll qualify you for a raid guild, that's excluding downtime, LFG time etc.
so, plan for 120 hours of pure grind time. if you play about 5 hours everyday, that's about a month. and we all know LFG and down time can be as long as our actual play time, so, I would say 2 months.
Edited, Tue Nov 8 15:17:06 2005 by Assailant