Poloniex just added ETC (Ethereum Classic, the original non-hard fork chain). It's being traded at around 5% of the ETH price and has about 5% of the hashingpower. So currently there are 2 different kinds of Ether being traded. This is the perfect scenario for scammers who will promise you one type and send you another. The Hard Fork failed and I hope that this will show the Bitcoin community how important it is to take your time and look at all possible scenario's.