When I stopped playing a few weeks or so back, The wave of new people leveling up were ranging from 40s to mid 50s and there was tons of pvp in this range compared to 60. I am unsure if there are new waves of people leveling newer characters, or more new players like yourself starting but the group bonus is too good to pass up.
That being said, being able to bind + port is great for pvp(get ganked in mistmoore, bound outside recover corpse easily as opposed to running from fay or other). Druids are great to have, but the pvp for some is kinda meh til like 52+. Wizards aren't too gear dependant at start compared to the nuke damage they can do but you will be a easy kill for a twink rogue or SK etc.
All in all I always will say play what you will enjoy the most, be it a necro or a warrior whatever. Clerics/Enchanter/Shaman always seem to be in high demand if you plan on doing some PVE content as well. Rogues are always being snatched up due to how easy it is to toss an epic on them and see how well they do with a set of mithril arms/legs and other cheap gear. The rogue epic alone is GG and having a rogue squad in pvp is always good. But I am unsure of the end game pvp status atm! You are unlikely to get an epic pre 50 on a rogue unless you find a guild early on with a MQ ready that will trust you or you buy a MQ not sure what they are goin for maybe 30k still shrug. Former blue players can always trade some currency at a cost.
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