Community is a real need when you are trying to be a real Christian. None is able to do it alone, thats why Christ has formed a group, and that gruop was the begining of his church.
All of us must have this in mind and look for that group...
I know some of them, but there is a great list:
1. Neocatechumenal way (I have a sister there)
3. Cursillo (have some friends there)
4. Opus Dei
5. Sword of the Spirit (I am here!)
6. more and more....
If you have a special vocation:
2. Jesuits (I studied with them)
5. more and more....
I like all of them jajaja, dont know why. However I am very happy where I am.