I think Tvad's responses are dead nuts on;I also have heard changes by rolling tubes in a moscode 401HR friends system;I think George even encourages rolling in his products as well.
As for the power issue I would buy the most power you can afford within reason;probally other users will slam me on this but it has always been in my case a positive.
As for the power issue I would buy the most power you can afford within reason;probally other users will slam me on this but it has always been in my case a positive.