? You see that in some films. In Star Wars you also have people with two laser swords and such.
I prefer a Goldeneye: Rogue Agent style dual-wield system, like most weapons can be placed in one hand along with another weapon, but some, like rocketlaunchers, require 2 hands.
__________________ "langir ro manna munir;
ef þat verðr,
at þú þinn vilja bíðr,
ok skeikar þá Skuld at sköpum."
~Gróa , Grógaldr