Here’s an interesting article about the top 10 underrated composers in two parts – 5 composers each.
http://www.sfcv.org/article/the-top-ten-underrated-composers
http://www.sfcv.org/comment/reply/17666
For my take on underrated composers see http://jimsclassicalmusic.com/?p=307
and  http://jimsclassicalmusic.com/?p=3901
