Grats mate!
First thing you should do is start going to level 75-80 instances and get some decent blues, or if you're in a guild that does Heroics, try and get in some of those. If not, do the normal instances, then when you have full blue gear, join the Looking For Group channel and get into some heroics. Be sure to try and do the daily heroic each day as that can earn you upto 7 Emblems of Heroism depending on the heroic, and Emblems mean Epics!
Also, if you have enough money you should try and get some crafted epics to get you started. You can pick up a 2H mace for around 1000g or shield and mace for around 1200g.
Good luck.
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