This is a useful trick in Super Smash Bros Brawl that a lot of people don't know about. Some of the better players would say that it's old news, but the majority of the smash universe has no clue what I was talking about before this. Btw, I discovered it last summer but kept it secret for a while.

http://www.youtube.com/watch?v=N_syyI2h9Cw

Meh, I don't think it was worth mentioning. So they basically made it into a Fox reflector clone. Yay? =\

Sorry to disapoint you, but this was known since Ness was introduced in the official blog.
Lucas' PSI Magnet does damage while Ness' pushes.
I personally find Ness a hardcore version of Lucas