i got a email back from fxcm mt4 inqury
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Thank you for your interest in FXCM. You can find information on opening up a Metatrader4 account here. The typical spread on EUR/GBP is 2.4 and can be as low as .6 Take a look here
http://www.fxcm.com/spreads.jsp for more information. The rates stream in from multiple top tier banks and since banks do not fix their spreads, you will notice that our spreads are variable and can widen during volatile market conditions. We have no restrictions on scalping EA's. All trading strategies are welcome.