Hunters and Warlocks are in a great place at the moment in PVE, I'm levelling my hunter alt at the moment and cracked out 14 levels in one day a few days ago (level 49 now). Really enjoying it, they're fun as. Playing survival and love trapping/disengaging/explove shot and lock'n load.

As for PVP FOTM right now it's frost mages and feral druids. They have amazing survivability and do very good damage.

As for pallies/DKs. Holy pallies are still the best healers of the expansion so far. Death Knights are probably the best melee class atm (hunters best physical but I prefer not to call em melee).

I'd say Druids.
Aint nothing you can't do.
Tank, Heal, Ranged/melee DPS and turn into animals/trees/moonkin.

Best all round class and with how easy it is to get dual spec you can tank/heal, tank/dps, dps/heal and if you get bored of a certain combo talent re-spec and try again.

Hunter/warlock/mage.

feral druid. roll your face to victory

either a pally or hunter, most basic classes to play, avoid playing a DK their shit even tho my 85 is a dk

Pallys aren't basic anymore with holy power :

no you are shit. i can top any1 with dps on my frost dk. its ok mate its coz your from xbox

In my opinion you play whatever class suits you every class suits a certain person

One of my friends plays a rogue because he says it suits him.. < interesting..

but if you was looking for an easy class to level...
then really everyclass is really easy to level now since pre cata every class gets one of their best moves at a lower level...

Fun Class to play is probably a Hunter, collecting different pets and stuff is pre' cool

Mages are fun and not that hard to level.

Pallies are ridiculously easy to level because they wear plate and can heal themselves hmm.

Deathknights are pre' sweet they can get boring after a while

Warlocks , are quite easy to level because of their demons they get there best leveling demon at level 10 now soo... yeah..

Shammies are a fun class to play also enjoyed leveling my shammy, quite easy to level also because they have a quickcast heal..

Warriors, probably the only class i dont enjoy leveled one with my friend to 80 before cata and it was enjoyable then the pre cata patch come out and it just felt shit to play, but i have seen warriors rape on the dps meter..

Druids- One of the best classes to play as a beginner because they can do everything heal/tank/range dps and melee dps quite easy to level also because they have some heal over time spells so you just chuck one on yourself and go kill some shizz

Warriors scale with gear, especially post 4.0 - in order to do reasonable dps you had to get white hit capped which was 27%. I found my warrior very easy to level to 80, absolutely raped everything as fury (once I hit northrend).

yeah warriors are very Dependant on their gear,