To get cool looking armour that isn't too heavy hit the button under Esc then type each of these separately

player->additem iron_cuirass 1
""""""""""""""" iron_greaves 1
""""""""""""""" iron_pauldron_right 1
"""""""""""""""""""""""""""""_left 1
player->additem iron_gauntlet_left 1
"""""""""""""""""""""""""""""_right 1
player->additem iron_boots 1
""""""""""""""" iron_helm 1

and for a good longweapon type

player->additem adamantium_claymore 1