This is exactly one of the appeals of the SPX's for me. More often than not I don't drive around with my system blaring as loud as it'll go....I still want to hear and enjoy music when I'm 40. And the SPX's sound clear and crisp no matter what volume I have them at.You know, with some components it seems to me that they HAVE to be turned up really loud before you really get to hear the full range of music.
I know you are somewhat unhappy with the Alpines, but do you find that they put out a nice range of music before they are pushed really hard? I guess what I am asking is whether their weakness to some might be a strength to someone who does not care to have their music loud all the time.