SPS collection won't be. Majority of IPF archive is already in the hands of community.
Of course there is still plenty of raw dumps on SPS ftp but that's different matter.
Still there are some MIA games -
http://eab.abime.net/showthread.php?t=94227
Maybe You could help since (as far I remember) You are amiga games collector.
Personally I don't like this method of work but I joined project (by means I dumped many games) so I automatically I accepted rules just like all people that dumped games as well.