Borderlands 2 is coming with many features that Borderlands 1 did not have. They include:
FOV slider 100 percent mouse usable menus/mouse wheel scrolling Remappable keybindings for keyboard and mouse PC-specific UI Native multiplayer matchmaking Push to talk Logitech keyboard support LAN support (including offline mode) Control pad support Integrated v-sync option Support for higher resolutions Mouse smoothing options (can be disabled completely) Cloud save support Achievement support Friends list support No port forwarding required