Your best bet is to really know what you want in a Guild/Group.
There has to be a Guild just for you but it may take time to find it.
Here is Great link in my opinion.
http://www.theromwiki.com/Runes_of_Magic_Wiki
It will clue you in to many aspects. Just 1 suggestion. The game has many aspects and if you do not do all of the quests in each zone, no matter how easy they seem, in the end you may regret not doing them. Keep in touch!