After hectic Sunday July 25, everything seems calm now.
ETC exchange rate is steadily falling:
http://coinmarketcap.com/currencies/ethereum-classic/
https://poloniex.com/exchange#btc_etc
Both branches: ETH and ETC are alive and well. Choose you favourite Ethereum:
The attack at ETC, promised yesterday by Chandler Guo still not happened.
Hashrate of ETC branch has fallen 1,5 times since yesterday:
http://fork.ethstats.net/
Expect new storm. Anyway, in the last week ETC was main newsmaker in crypto-world.