Which is your preferred Exchange?

[umairsaleem]

Always the BTCChina , most reliable exchange ever, also the longest running one since the MTGOX has gone.

[1715459385]

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[foxkyu]

i'm prefer btc-e
and for altcoin i'm using bitrex, poloniex, and c-cex

[Madness]

Unclear market situation. But China dominates the market.

http://exchangewar.info/

Where to find a good review?

I personally used Allcoin once and it was because I was in a signature compaign and got an Altcoin named "GreenCoin" if I remember right so I exchanged my GreenCoin to BTC . That was the only time I used an exchanger ...
Other then that , I prefer to trade on the forums with Currency Exchange Sub forums like here on Bitcointalk or on Leakforums , Elitepvpers etc... I prefer to trade for the payment method I want and with the rates that I want .

[rayhan]

btc-e as usual
why? dont know just use that as long as know bitcoin
altcoin use bittrex and poloniex just it

[Bitcoin_Mafia_Me]

I use several exchanges, for a variety of reasons:

C-CEX because they are usually one of the first to give new altcoins a chance. I also like their voucher system where anyone
can create a voucher code for any altcoin that they have and give that voucher to another person to claim. It's a great way to do
in-trollbox giveaways and such.

Bter because you earn daily interest on the coins you hold on their exchange.

Poloniex because I cut my teeth on crypto in their trollbox and they have a great bunch of people over there.

Bittrex because I think they have a great GUI and offer a good variety of altcoins.

Cryptsy because they have some interesting on-board tools that other exchanges don't have

[megamore]

I prefer using btc-e 
BTC-e has a good range of trading options, price and volume is always high
BTC-e have a nice user interface 

[sandy47bt]

I love using BTC-e
Their fee is low & i don't need any verification to trading

And i use Poloniex for altcoin

[locopao]

I use Kraken because my currency is euro. They have a very good support / customer service and their exchange tools are very advanced but very easy to use, even for an amateur trader like me.

Too bad they have a small volume comparing to dollar trades.

[marcotheminer]

BIT-X.com!

[RhBjK]

bittrex and btc-Turk

[moko666]

for bitcoin and litecoin trading btc-e is my first choice but i trade altcoins on poloniex exchange

[richwang]

vote for  OKCoin