I was just thinking the same thing Mechy, with romy, adding in the pci.library.
I was not aware of how you'd mod an older Mediator with 3.3v, and was actually wondering if Elbox would sell the parts, or upgrade older models to support it. Of course for me it's kind of pointless, since I finally found a 5v Radeon, but still would have been nice.
But definitely would be nice to have pci.library from boot up. I ended up getting some custom roms when my Cyberstorm MK1 kicked the bucket, but I'm not 100% sure on what was put in it besides basically the kickstart from 3.9. Is there an easy way to tell?