Dove, I hate you so much I'll pre-order Fallout and send it to your home asap ¬¬
About the new 40k game, I think we should wait more to judge. Still, I can say that I will hate if it keeps the close-in sync-kills that make the screen spin when the camera comes back to the shoulder. It makes things really confuse, just like Prince of Persia games (actually, the need of killing blows is also something I hate in PoP, and they seems to be in this game...)
Also, the Bolter being held in one hand and of place; a bolter is heavy enough so that a SM needs to use it with two hands - the weapon to be used with the Chainsword should be a Bolter-Pistol. And both weapons are NOT like submachine guns (trrrrrrrrrrraaaaaaaaaa), they are more like BOOM BOOM BOOM BOOM. Like in this CGI from Warhammer 40k - Fire Warrior:
http://br.youtube.com/watch?v=LdRbiJ29VkM
Another matter of concern to me is: GoW is a shooter after all, so sing it's gameplay style for a heavily melee oriented game may not be THAT great. But I'm hoping for two things:
A) That it's possible to take a ranged-focused approach when playing (i.e: efficiently shooting instead of meleeing, even if melee is still better);
B) That the single-player is not solo, but squad based, much like GoW, and hopefully like Star Wars Republic Commando (which would be even better, due to battle commands and the deep interactions between the squad members, who where fixed).
C) Heavy-weapons. Plasma guns/canons, powered fists/swords, Flamers, Heavy Bolters... YUM!
If these three possibilities are contemplated, I'm completely sold. Add some gay Eldar so we can shoot them, and it's Game of the Year!