At the risk of jumping into the fray, I think it very unlikely lower end home prices will crash significantly (say more than 15-20%).

I also agree with flu, the pressure will be on making loans more available to the lower income/mid-income levels.

There is already a lot of talk on how they can do this.

High end I am not so sure but that seems unlikely to me to get hit much either.

Also if your looking to buy rental properties, YOUR part of the reason it is unlikely to fall much in price.