[mitic]

warrior: hard to hold aggro till highendweapons/fast procing weaps are acquired, will be easier with kunark.
monk: dps, puller, can tank in low/midlvls
bard: puller, can tank in low/midlvls, cc,
rng: dps (some sort of), can pull if outdoors, can tank in low/midlvls (monk/bard better)
shk/pal: puller, tank
rog: dps
shm: buffs, backup-heals, dps (some sort of)
druid: buffs, backup-heals, dps (some sort of)
clr: heals, dps in undead zones,
wiz: dps (check mana once in a while on them to see if they r afk)
chanter: buffs, cc
necro/mage: dps

easy to find groups
hard to find groups

this is how it goes when iam leading groups and searching for others to fill spots.

but still, there is no golden rule on how a group should be formed. i had a group last week in unrest/fp of 5 casters and me as a bard being the puller, tank and cc killing stuff nonstop