Microsoft: 3/5
Sony: 3/5
Nintendo: 3/5
EA: 1/5
Ubisoft: 3/5
At the end of the day, all conferences had something for me, but nothing that just screamed "By a new Console X for game Y", though some games have come close.
I will add that after the conferences I did decide to buy a console...(I really wanted Final Fantasy Type-0 on my vita though)