We know that Nintendo survived the sixth gen largely due to the success of Gameboy that had continued onto DS and finally the Wii.
Having recognized Wii as a financial success by Nintendo, I then noticed that Nintendo seemingly abandoned it and shifted their resources with heavy focus on the 3DS.
With 3DS' lower than expectations sales within six months of its release, a price cut was then put into effect for temporary boost as well as a rushed Mario game was released to further help the sales on a more steady basis until they can release more software.
E3 came and showed us more 3DS info, yet another Mario was announced. Soon after 3DS XL followed.
I interpreted the alarmingly lack of any solid Wii U news was so that 3DS can blossom and garner steady success needed to further cement it as a real viable platform.
More importantly, I believe this is defensive move on Nintendo's part should Wii U achieve only moderate success similar to Gamecube. They cannot afford to have a failing home and handheld consoles.
I expect to hear real info once 3DS XL is announced in North America and the release of NSMB2. On a smaller factor, after Gamescom as they will have a clearer picture on Sony's approach with the Vita from here on out.
