It's what needs to happen. Nintendo has to come forward with Wii U's definitive specs at E3 and set the new hardware baseline for the next generation of AAA gaming.
Pushing processing power and memory as far as economically feasible, rather than trying to maximize their short term profits by producing their hardware cheaply - in order to protect their system from being outdone completely and become incompatible with multiplatform development for the next Xbox and Playstation and PC. Protection from becoming obsolete.
Relying on their gimmick will likely not work out as charmingly as it did with the Wii. Unless their hardware is capable of supporting future multiplatform development, they are in risk of losing the homeconsole market completely. That's a risk they're not willing to take anymore. Not if they can afford not to.
One of the Big Three has to come forward and decide on what the next generation of hardware is going to be capable of. If Nintendo doesn't do just that this E3, I think that's going to be it for them. If their upcoming homeconsole is anything but the next generation of gaming hardware, somebody's not doing their job right. They'll be dead in the water within a year.
What do you think will happen? Will Nintendo push their specs to the max? Do they keep walking 'the Xbox360 1.5 path'? Would Microsoft and Sony opt to keep their hardware somewhat compatible with Nintendo's, if it's an underpowered system? Or just try and push them out of the homeconsole market with much more powerful hardware? I'm really excited to see this whole drama unfold this E3. It's going to be epic! Epic for the win.