It seems that alot of amplifier companies suggest this.
However, I struggled with the same delema of wanting to protect my investment. I use a McIntosh mc352 and have it plugged into a richard gray 400 pro. It has 6000 watts of on demand power. I don't know all the technical aspects of it but I know my system sounds much better since the purchase of it as well as my peace of mind. For more info go to http://www.richardgrayspowercompany.com/
However, I struggled with the same delema of wanting to protect my investment. I use a McIntosh mc352 and have it plugged into a richard gray 400 pro. It has 6000 watts of on demand power. I don't know all the technical aspects of it but I know my system sounds much better since the purchase of it as well as my peace of mind. For more info go to http://www.richardgrayspowercompany.com/