It would be great to be able to fold Ruby blocks in addition to other constructs such as functions, classes, and such. 
Maybe there should be a different key combination made available for it for instance when writing RSpec tests. The 
files being a series of blocks, it would be able to collapse down to all of the "describes". Perhaps even having a way 
to collapse at multiple levels? RSpec as the example again having repeated block nesting, you could collapse down to 
the "describes" or collapse to the "its".