For some reason nintendo has good reasons for delaying.
but Microsoft and Sony do it for money. I got some Info that A game of mario will come out for Nintendo Revolution as a realesing game sence
Mario Bros. to
Mario 64 TO
Mario Sunshine to
the new mario game Mario always is a finder for a new console launch and 3 new instalments of Mario party.

N64: Mario Party 1 2 and 3
NGC: Mario party 4 5 and 6
Nintendo R: Mario party 7 8 and 9