Looks like we're leaning more towards Midgard this time. We currently have the following existing chars for low-mid lvl PvP (not a complete list but to give a general idea, my chars are listed first):
Varrius L36 Skald [speed/cc] //
Bakun L30 Berserker [melee dps] // L20 Shaman [buffs/heals] // L17 Runemaster [caster dps wizard-like]
Kinkade L35 Savage [melee dps]
Kvasir L36 Thane [hybrid tank] // L35 Skald, L38 Zerk, L43 Healer
Grendell L34 Savage [melee dps]
Furen L31 Hunter [ranged/melee dps]
We'll most likely fill in the gaps shortly after getting back into the action, but the classes currently needed are: 2 Healers, 1 Shaman [pref Aug], and 1-2 misc to fill up the group capacity of 8. Though a good group can do well even without a healer/buffer, it'd certainly make things go smoother in pve and pvp both.
PvP zone level ranges are as follows: Braemar L20-L35, Wilton L36-L43, Thidranki L44-L49. While you can zone into Braemar at L20, its often best to get into mid-20s first unless you're a healer/buffer. As far as a good UI, I recommend Bob's UI.