I guess I'll throw in my 2 cents as well.
All of our awesome Amiga hardware is going to die someday no matter how well we take care of it. What would be awesome is a system that can emulate all of the Amigas actually produced and sold. IMO I'd like to own a system with:
1. Hardware emulation of stock platforms via config file, with appropriate kickstarts stored in flash or selectable at boot.
(proper speed as well, no 300mhz A1000's)
2. The ability to use CF or SD as the HDD and FD out of the box (So IDE, or SATA for SCSI emulation). Can run .ADF
2. The ability to use actual Amiga keyboards and mice. Maybe have 2 usb for ppl that like newer mice/kb
4. Dip switch or Some way to toggle on and off RTG hardware emulation (picasso or spectrum).
5. HDMI output for video.
6. Small enough to fit in a classic case (for when our beloved hardware is all gone.
7. easy ways to hook up LED's for retro LED indicator goodness.
No PPC or MorphOS as those weren't officially released products. While they are fine and people are free to like them, they are guesses in the general direction that the hardware / software may have gone (yes I am aware that C= was working on the PPC version, but it was never FINALIZED and therefore we can't say what changes would've been made.)
From what I've seen (only seen), morph and all those seem too much like OSX or linux with skins. There is still a lot of cheap apple hardware that can run that stuff, not so much good Amiga stuff left.