Tubes are simply more interesting as you can swap 'em out (you eventually have to do that anyway, so that part of "interesting" is built in) to adjust tonal preferences, they look cool...my 7581a tubes have that blue glow fluorescence, their linearity and harmonic "musicality" are what solid state stuff often claims to resemble yet rarely manages to cop the mojo, and a great tube amp actually does reveal stuff you could be missing in your recordings...besides, when friends come around you can bore the crap out of them by showing off your tubes...trust me on that one. Has anyone ever said, "hey man...look at this lovely Class D module?" Maybe somebody has, but who cares?
