[quote][quote]It isn't about the weight. Its about balance and convenience. Having the barrels of 8 different rifles bouncing off the backs and sides of your knees while you run would be pure fail.[/quote]
It's also unfair, doesn't feel fun or realistic (If realism is what you're after). Perhaps for authenticity it is fun, but really, a challenge where you only carry 2 weapons and survive with it is what I want.
At least that way, whenever you run out of ammo for a certain weapon, scavenging for a gun will be something great, and on par with the tactical mode (That mode highlights dropped or hidden weapons) you can find it more easily.
Back to the topic at hand, I would like to see some of the old guns return, like a bonus feature or as a MP unlock. I don't know about how much new weapons are available, but I do know that we got a whole new arsenal of weaponry.

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Yeah, its more realistic and fun when you don't carry around 10 weapons like in Serious Sam... but hey, Serious Sam was good that way, but Crysis would definitely not fit in with that mechanic at all