I've had about 4 of these ideas for forum games sent to me in the last couple of days.
All I can say is we'll consider them.
On the face of it X Factor / Pop Idol / Got Talent seems okay because there was one before and it worked alright but we'd only do one of those 3 because it is essentially the same idea.
The best thing for forum games really is if we have a clear idea of how it would work, then we can advice if it would be suitable and make any necessary changes.