Awesome! Don't hesitate to shoot us a tell when you get in game for a guild invite..
As far a possible combo i will list the MOST popular and you can decide from there
Healer Combos
Monk/Warrior - Protection Monk
Monk/Element - Good healing monk with good mana
Caster Combo's
Element/Mesmer
Element/Necro- Nuker
Mesmer/ele- Anti-caster
Warrior Combo's
Warrior/Monk - Paladin
Warrior/Necro - DD Tank
Ranger Combo's
Ranger/Mesmer- Anti Caster/Monk
Ranger/Warrior- Defensive tank with Good DD
Any combo is good IF played right I list the most popular
Check out
www.guildwarsguru.com for some builds and an idea of what u want to do in battle. Right now Anti-Healer tank heavy assist trains are pwning all and caster are sort of weak. But Guild vs guild I think casters will learn to work toegther and refine their strategies better then tank assist trains,