In the genre of power pop, there’s basically Carl Newman (NP, solo album under A.C. Newman, Zumpano), then Fountains of Wayne, and then a large drop off. Jimmy Eat World stands out from the crowd a bit. NP get bonus points for the inclusion of Neko Case, who provides the fan-favorite female voice on a number of tracks. She has five solo albums to her credit which is more alt-country.
Apparently I don’t understand how music gets into the mainstream, because I feel like the New Pornographers would really take off. People love stuff this catchy. I did hear “Use It” off Twin Cinema back a very long ad on TNT a couple nights back, so maybe it’s around the corner.