the tool I imagine is a better hardware-check and usability poll program. now there is only "hwtest-gtk". this is quite usefull, but is it an the livecd? this program shuld be on any ubuntu-livecd and it has to check more hardware.
an example: maybe your neighbor bought a new vista notebook
and he loves vista. then you can ask if he would be so nice and let you boot ubuntu from cd and make a hardwarechek, you try the special-keys, the display, the sound, card-reader,wlan.... then you send the information to the launchpad and some month later, after his vista died the first time and he has no internet he asks you: "..this kind of odd linux thing...do have this right now...?... my data is lost..." then you put your cd in, install ubuntu and because the devs could fix the little problems now everything works fine. this would be amazing.
The other function of "hwtest-gtk" should be a poll-function
with a typical list of questions where people can vote for their best/worst app and explain, what they like and dislike.
So if you are sitting somewhere bored near a computer you can fill out a standardised questionnaire. maybe this could be intgrated in all help menus of the programs like the "translate this app..." thing.
I would use this tool as often as I can and many people would help, because later they have a chance that "their" pc works with ubuntu out of the box. this then is an agumnt for schowing them ubuntu.