I'm exactly the opposite. I use use virtual desktops when I have my MBP docked to multiple screens--and when I am just using the laptop, I don't. I have gestures enabled on my Magic Mouse and Magic Trackpad--so the gestures are there whether I'm using the laptop or docked--but I just don't use them when I have the single monitor...
Couldn't you say the same thing about your battery? Take care of it and it will last? I've only needed to replace one ever--and it was faulty and covered under warranty...
I'm exactly the opposite. I use use virtual desktops when I have my MBP docked to multiple screens--and when I am just using the laptop, I don't. I have gestures enabled on my Magic Mouse and Magic Trackpad--so the gestures are there whether I'm using the laptop or docked--but I just don't use them when I have the single monitor...