Another Laptop.

My room is home for 3 dead/old laptops, 1 desktop, 1 tablet pc. Don't ask me what I did with all that computing power. I have no answer. :)
Ok, issue now is my 2 sons are fighting over their laptop. Yeah, they have one, a better one than mine. (Now, please don't be jealous. We starve ourselves to afford laptops) ;)
Their Dell laptop is good in many aspects. Storage space, Video, Speed, Screen Size..
but has a very bad keyboard.
My 2nd son was able to pull 6 keys till now. (He does that whenever he is excited/ angry/ bored)
What's the way to prevent these fights?
Most obvious way. Buy another laptop.
I was reading about $400 laptops. I can afford slightly better speced machines. Perhaps 600-700$.
Chalo, friends, who's coming next to India? :) I am one demanding friend.
If any techies read this and want to suggest stuff like reviving old laptops, adding monitor, terminals,....Thankyou. Hope you got the message.