How can you know that now? If it runs really well and loads fast (which the extra RAM may finally enable them to do?!) then why not call up the browser on the tab to post a stupid screenshot of Link destroying all the furniture in Zelda's bedroom on GAF, for example?
Btw I went ahead and screencapped Iwata's browser presentation:
Ret's have a rook ...
two-screen browsing
browser-tabs in action!
browse only on the gamepad
video on both screens
video on the TV and browse on the pad
browser has curtains!
for such awesome secrets like...
BANANAIWATA
Motionscrolling! Wooo (?)
Take screenshots from your Wii U games with this fancy button.
That's the end result.