ok, i have looked through many different GW links, and so far these are my fav 2:

1. http://guildwars.gameamp.com/
2. http://gw.gamewikis.org/

for obvious reasons, guildwiki is in there, but many people say use GW guru, i only ever use this for price check, everything else; auctions, guides, skills, builds, skill/elite locations, help/advice, and basically anything guild wars!

so if you want my advice then use AMP, but if you want, try guru and amp for 1 week and then use this poll! (unless you tried both already)! just so i can see what my guildies use!!!

i think that gameamp is better becuase it has so much better stuff on there than guru