As of May 23, 2010, Dragonfire Shields are 35.3mil.
An elemental shield is 845 gp.
around about 50.
356 gp
Df
Antidragon shield
saradomin shield
the second floor of runescape has a npc walking around with it talk to him he will hand you one.
Their are shield shops all over Runescape. You should be more specific.In North Falador near the fountain.
no
grand exchange
The best shield for a non member in stat wise is the Rune Kite shield however if you want rarity the You can go for one with a trim in the colour of the runescape gods.
If it is the shield that your gang had you can simply go back and get it. But if it was the other gangs shield you need to get someone to get you it.