I'm probably not buying it at all, but I'd say it would rise from 7% chance of purchase on my PS3 to 25% chance on my (future) Wii U...
PS: Petitions like this don't really have a goal...they just try to get as high as possible. The "goal" that is listed on the page is just the next milestone until a new "goal" is unlocked. Its subtle motivation to get more people to sign by the website (it does this on all petitions)







