Almost to the max.
Run arena scenario (queue specific) immediately for a nice weapon upgrade if you don't get yourself an archaeology staff first.
Run heroics for additional gear. If you get too much JP, use it to upgrade 463 blues you're not likely to replace. The daily random scenario is also usually quick and painless and can drop gear.
For dailies start with the Dominance Offense to unlock 496 VP purchases. If you have more daily time, start on Golden Lotus since they're a choke to other reps. But I would spend your VP on the 496 gear first.
Once you have enough iLvl run LFR for more gear. If you're going to tank LFR, don't be that horrible tank. Learn a few things ahead of time. If you don't know what to do ahead of time, at the very least send the other tank a whisper so they can clue you in.
Go to the closest trade chat and scream WOO HOO IM 90!!! Next proceed to keep questing because your going to need gear to get into Heroics. After that do dailies. Dailies give you coins, the coins give you extra chances at loot. As well dailies are what unlock gear and some cool mounts. However, with ToT (5.2) about 2-4 weeks away idk how serious you want to be about doing dailies. The ones I would recommend doing are the Tillers. Get exalted so you can farm cooking/ profession mats.
Go to Shrine of (whatever the name of the horde place is), and put your hearth there!!! It has ports to every main city including Dal and Shat.
From what I hear, bear tanking has become quite complicated, so GL my friend. I am leveling a bear ATM and its fun, so when I hit 90 I might have to ask you how to play ;-p.
Looks to me your OS is boomie. Its been my MS since LK and love every bit of it. If you want to play boomie in MoP its all about crit stacking!!! You do that and understand burst rotation youll be set!!!
Read the tanking and boomie guides, they are stickied for a reason. And if you want to be a more serious DPS for boomkin here is my response to someone who wanted help for boomkin http://us.battle.net/wow/en/forum/topic/7593620045 GL my friend!!! and gratz on being 90
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