fox68k has post on dciberia.net of a new N64 emu for the DC is in the works.
Using Chui's work with the MMU, and using ported mips r4300i and RCP cores from x86 to SH4,so far Nincast64 runs N64 roms of up to a maximum of 3 and runs at max of without sound (it appears from the screenshots that Mario runs between ) [