A very subjective and difficult question to answer.
It really depends on my mood. Sometimes I want to groove to some nice deep dance\progressive house\trance, and then sometimes I just wanna play air guitar and jam to some hard brit rock.
The only band I can think of that covers both of these grey area genres perfectly, is Depeche Mode. They've crafted the perfect definition of how to mesh dance\pop with guitars and make it sound beautiful. Personal Jesus, Behind the Wheel, Enjoy the Silence, Useless, and My Joy are just a few examples. Because of this, I'd have to give the trophy to them.
New Order, The Smiths, theThe, Electronic, Simple Minds, U2, and The Cure are all tied for second place.