Could it be that price was not the reason for the Wii's success.
Could it be that it was a combination of a vastly new and (in the opinion of the majority) superior gaming experience, combined with some of Nintendo's best ever games combined with increasing 3rd party support. :P I think it could
Bardicverse, you're on a sales website, so when you make claims like "Wii owners don't buy games" its just a few clicks to show that the Wii has a higher attach rate than the PS3 and more total software sales than the 360