Looking for a nice complementary headphone to the Shure SRH 1840

[ubs28]

I really love the Shure SRH 1840. It's an excellent all rounder. However I noticed at certain songs it just takes off as if the music was designed for these headphones, it just sounds absolutely perfect. 
 
It made me think that the other songs where the Shure SRH 1840 sounds great ( but not perfect ) will sound absolutely perfect with a different headphone. What headphone would that be?
 
edit: Jazz, classical and any song that is perfectly produced are the type of songs that sound incredilbe on these headphones. It's not genre specific.

 

[kimvictor]

  I really love the Shure SRH 1840. It's an excellent all rounder. However I noticed at certain songs it just takes off as if the music was designed for these headphones, it just sounds absolutely perfect. 
 
It made me think that the other songs where the Shure SRH 1840 sounds great ( but not perfect ) will sound absolutely perfect with a different headphone. What headphone would that be?
 
edit: Jazz, classical and any song that is perfectly produced are the type of songs that sound incredilbe on these headphones. It's not genre specific.

HE500 is something in the similar price range that is different from SRH1840. New SRH1540 seems pretty interesting too.