ok, so before you pull the trigger on any new hardware, have you tried in home streaming? If you aren't playing competitive games, you could just stream your desktop to any crappy machine in your living room and still be around your family. I used to do that all the time. Then the volcano is in your office and the streaming device is running ice cold, can have any specs, and long battery life. Steam streaming can even be done outside the home network now I believe. So if you have a good upload speed and "on the go" equates to good download speeds, you could play anywhere on an ultrabook.