AFAIK it's still freeware and will stay that way. Don't dare to add 'forever' tough. It's *much* easier to use than InstallS&^%$d, and has great free support (newsgroups). That last feature alone is probably keeping it freeware as well ;-)
IS4: Now that multi-lingual options have been incorporated, and solid-compression is available, not much is gonna stop it now... P-)
HTH
TonHu