All of Islam is correct, Sunni, Shia, Sufi are all Muslims.
I don't think so for shia. they lost me when they said that the xaar or ahlu bayt was halaal to eat. I mean like whaattttt????
and not to forget their 12 imaams of which they say to be stronger than God (shirk al akbar). >.<
NOOOO JUST NOOO