Support and help forum for users of MorphOS AmigaClassic PowerUP version is available at Morphzone.org. (Discussion thread for Mediator Card users is also already open).
Poseidon USB Stack is now available for MOS PowerUP version
Mupper "Rescue LIVE-CD for Pegasos" is now available. It is Gentoo based and supports a lot of filesystems, including AmigaFFS, EXT2 EXT3, Reiser, FAT, VFAT, NTFS, ISO9660+Joliet.
And last but not of the least, first screenshots and a anim-video of a working pre-release of KHTML engine ready for MorphOS are available at Polish Amiga Portal.