If Neo's claims are true this time, then you should be able to do single cart hosting with ROMS (no patching required).
Kind of stupid to come with 3 cartridges 256Mbit, 512Mbit, 1024Mbit, though.
Wtf am I going to do with the 256Mbit? Heck, or the 512, or the 1024. People are finding it hard...