Saw horrendously slow rates from the original link at the top from OP.
Currently pulling down from filefront. Can't claim for its validity but I'll see soon since 3MB/s from it:
Filefront link for file FalloftherisingSun_V1.3_SH4V1.5_EN.rar is
here.
Looking forward to seeing the content. The mod sounds like it's got some action / fodder and I'm all about it right now.
Updated:
Appears valid to me. Let the explosions proceed...