I've had my Summit 4-series for 13 years.  It is a member of my family.  I grill on it year round in Colorado.  One of my favorite things about this grill vs others is that it has really even heating across the grates.  I also really like the infrared burner which I use for melting, toasting, crisping, rotisserie.  Lastly, I like that it's made in the USA.