Here is a thread where people can suggest weapons to be added to the game at Anets leisure. Basically just post a Weapon you would like to see in game sate the classes you wanna see use it and how each class would use it. Also please be supportive.
Here Is my suggestion.
Javelin- A one handed polarm.
Warrior- Mid-Ranged ranged bleed and cripple.
Guardian- Mid-Ranged ranged burn and blind.
Ranger- Mid-Ranged Poison and Weaken.
Chakerim- A one handed circular blade.
Theif- Mid-Ranged Bleed and cripple.
Mesmer- Mid-Ranged multi-target.
Elementalist- Mid to close ranged elemental damage.
Claws/Katar’s- One handed fist weapons.
Theif- Melee blind and stun.
Ranger- Melee bleed and cripple.
Necromancer- Melee mobile poison.