I think that it should be a good fit, especially for playing handheld games in the house, but the problem is that there just isn't the sort of online following for the experience to be consistent.
There are no groups of hardcore followers clinging on to servers the way the Halo 2 or Counter Strike crowd still do. Worse still, even new titles seem to be forgotten quickly, I have yet to manage an infrastructure multiplayer game of Wipeout Pulse, as the servers are almost always empty.
Perhaps it will be a slow creep with this generation and then an explosion with the next, kind of like it has been with he PS2 and the Xbox and their subsequent replacements.
Communism means you have two cows but you share the milk with the state.
Surrealism means you have two giraffes and the state requires you to take harmonica lessons.