i used to run one such "BANNED" website, but there are many new sites uploading software, you just need to know where to look
TOSEC stuff is the best to get, and TOSEC'd files are available from a few places, try a search for aceroms and emuchina (both sites are down quite alot
as for Amiga emulation dying, 268 members of EAB can't be wrong, although a few probably don't emulate, and check out how many sites are available thru http://www.amigamos.com,
and the Real amiga lives on, check out Aminet
the Amiga will live forever, in one shape of form!