Viability of ranged classes

[Dessor]

I'm new to boxing and need to decide what team to start with. I'll probably be leveling mostly in BGs unless it proves too difficult.

Anyway, I've noticed that many people here say that ranged dpses are not good for multiboxing in PVP. Why is that? Is it because of facing issues? Are ranged dpses still viable in BGs and arena?

I have 4 accounts at the moment so it'll cost me 16k gold and well over 20k JP to buy full set of heirlooms for all characters so I'd hate to choose something that isn't viable in PvP.

So which do you think is better for a newbie: 4x ranged dps or 4x melee(warrior)? I have already have plate heirloom sets but I've been 'flipping' them back to the vendor so I can still change them to something else if I want to.