Ubisoft: A
~ They laid it out quite well and the games were interesting, just nothing that surprising.
Nintendo: C+
~ The Start was GREAT. I loved Pikmin 3, Scribblenauts, and NSMBU. The ending is what seriously damaged the whole conference for me. I also liked that little 3DS sneak-peak thing.
Sony: C-
~ It was just really boring. The Last of Us Gameplay and GoW Gameplay is what gave it at least a C- in my opinion.
Microsoft: ...
~ I watched the beginning of it and decided not to proceed.
EA: LOL I DUNNO.
~ I didn't watch it.

This E3 was so bad that I almost want to cry. I am not kidding. Where the heck is the magic of seeing new games getting announced, and you go like OH MY GOD THAT GAME IS GREAT!!! We almost knew every game existence for weeks or month. I am sad, really really sad.

Rant over.

Ubisoft 8/10
Sony 7/10
Microsoft 6/10
Nintendo 5/10 (This one is almost incredible).
EA 4/10

ubisoft 8 (was cool, some nice games)
sony 6 (games we could expect which are very good but nothing else which is bad)
microsoft 5 (i believe they showed more games for one console then sony or nintendo and not like most say they did have least games but most only as video without gameplay)
nintendo 3.5
ea 2.5
konami didn't see but when i read about it it felt like a 2

Ubisoft: 8.5/10

Good: Far Cry, Assassin's Creed, Splinter Cell, Rayman, and Watch Dogs stealing the show.

Bad: Those presenters *shudder*, Just Dance 4, Shootmania

Sony: 8/10

Good: Beyond, Battle Royale, The Last of Us, God of War Ascension, AC3 and Far Cry 3 footage, Jack Tretton being the least despicable host of E3, and a cameo from Kaz Hirai.

Bad: Very little new stuff, no price cuts, nothing on The Last Guardian or Agent, no release date for Last of Us.

Nintendo: 6/10

Good: Some of the stuff shown for Wii U, especially Mass Effect 3 which was quite surprising. The NSMB games looked enjoyable. The new scribblenauts looks good. Zombiu could turn out well. Lego GTA was great.

Bad: No release date or price for Wii U, few first party core Wii U games, far too much Nintendoland

EA: 4/10

Good: Crysis 3, I guess

Bad: The rest of the conference.

Microsoft: 4/10

Good: Halo 4 was excellent but expected. Nice Splinter Cell footage. Tomb Raider was decent.

Bad: Don Mattrick is one of the worst people I have ever seen. Internet Explorer is not a selling point. Smart Glass is not new and not exciting. Nothing remotely unpredictable.