still didn't find the best exchange so far, mostly required real identity.
well actually i used my local bitcoin exchange(vip.bitcoin.co.id), i satisfied with their service although their WD fees for transfer to local bank is pretty high.
for btc usd trading btc-e.com is one of the best option and if you want to trade altcoins then you should go with poloniex.com,
poloniex is not suitable for those who have not had an identity card,
and I think the polo loading is very slow, I think for better altcoins exchange in bittrex
actually in poloniex you just write your full name to get an access to take a transaction, it's take a limit, but it's pretty high limit i think.
bittrex is high volume, this is my favorite altcoin exchange.