How close will PS3/X360 come to lifetime Wii sales?

[Seece]

Zlejedi said:

Mummelmann said:
I could have sworn that the Wii was supposed another two 20 million selling years on the market...

OT: Hard to say, depends on where the Wii ends up and when the Nextbox and PS4 arrive. A gap of around 20 million is not unfathomable since the Wii won't end up selling a whole lot over 100 million lifetime.

Isn't it a bit too optimistic to think PS3 and X360 will outsell Wii by 20 milions ?

Think he means PS3 and 360 20m behind