WTF!!!I got informations from the new F-Zero!I don´t now if that is real but,I think it is.Enter at the link to view the notice:

http://www.planet-nintendo.de/?news=19164&name=F-Zero_Z_kommt_fuer_Nintendo_Wii

Its in germany but I put it in english for you(I am not an germany,I am from Brazil,I just use the Word)

An official successor to F-zero gx appears on Nintendo the Wii. F-Zero Z, so the title of the Future Racers will presumably contain and an on-line mode will have all distances of the Gamecube of predecessor. A weapon system was also confirmed. On the E3 of this year is the title of bend N to be introduced.