> any kind of wireless support

Unless you have an iBook, Mac mini or eMac (or PowerMac G5 as its PCI(-X) slots are not supported yet):

"Driver for Atheros5000 based PCMCIA and PCI wireless network cards. "
http://www.morphos-team.net/releasenotes/3.2

"Atheros 5000 chipset based PCMCIA and PCI cards"
http://www.morphos-team.net/hardware

"In order to use a wireless Internet connection, plug in a supported PCMCIA or PCI card and start the machine or reboot."
http://www.morphos-team.net/faq

> some sort of basic power management

...has been implemented for the G4 CPU at least:

https://morph.zone/modules/newbb_plus/viewtopic.php?topic_id=9261&forum=11&start=13

> a proper UAE port (JIT).

An open source JIT for PPC UAE is in the making. As soon as that's working good enough, I'm sure it will be added to MorphOS E-UAE.