No idea if someone already posted this or not but one can use this plugin to fetch live forex/silver and gold data from Metatrader 4.Help file is given inside and it will take only 5 minutes to configure it with your Amibroker's setup,good luck friends.
http://rapidshare.com/files/6029188/MT4_data_plugin.zip.html
http://rapidshare.com/files/6029188/MT4_data_plugin.zip.html