Indicator showing Prices between brokers

 

Can someone make me an indicator that shows prices between two different brokers?

Say i want to watch the quotes between Velocity and FXDD. I'd imagine that this needs to be an EA so it would update quickly enough, but I"m not sure.

$50 to whoever can do this successfully for me. Payment by Paypal.

It MUST update with every tick between both brokers. Now I'm not sure if this is possible - but if so, and you can do it, I'll pay for your effort.

Thanks.