Hi Ben, I''m sorry about the delay in getting back to you. I''m gratified to hear that secondlife.com are using this, I''m a big MMO fan myself :) I''d appreciate any comments you have on improving usability of the clients (they''re not as slick as they could be). Which web server are you using for your Rails FastCGI setups? I''m aware of intermittent issues when using Apache 2.0 and FastCGI, which people have worked around by using LightHTTPD instead. It sounds like a stability problem at the handler end, as under normal operation the server should not arbitrarily close the connection (the cause, I suspect, of the EPIPE error). Regards, Leon