Your thoughts on Dream Theater

What do you think of the "revival" of 80's hair metal with Dream Theater?
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I always figured the music that Dream Theater creates is just far too complex for your average music listener to comprehend, that's why they have always been a mostly underground band, they were never about three chords, hairspray, and singing' about having sex, they are much more complicated than that, and always have been.
Personally I love Dream Theater, I think they are one of the most creative and talented band of musicians out there, but I don't believe they will ever become very popular in the mainstream due to the fact that they play so many notes, and most people just can't handle music with lot's of notes, they really are musicians musicians, if you know what I mean.
I think the "term" givin to thier music is Progressive metal.