I've got a legal copy of Avalon 2.0 (yes, with dongle and manual). I've heard that there was an update version 2.1 that could also import AIFF(2.0 can only import SD1 format).
Finally I've managed to download this update from Steinberg ftp, but the file is corrupt. I've read about this on the web. Steinberg won't do anything about it.