Free Daisy and ePUB reader programs for visually impaired readersVia an Australian site comes this

Via an Australian site comes
this list of free Daisy players
http://www.guidedogswa.org/software/
most notably
Emerson
http://code.google.com/p/emerson-reader/
a cross-platform reader which reads both Daisy and ePUB format ebooks (I haven't tried this one out yet so cannot vouch for how accessible it is).