Fortunately, Portland's rents and property values will never reach the out-of -touch ranges that exist in SF, the Peninsula or inner East Bay.  Why?  Portland's job creation is significantly tipped to the minimum wage or low-wage sectors and there are few highly-capitalized new start ups by comparison.
That said, we must still fight to ensure that our children and grandchildren are not forced out of the area because it becomes unaffordable.  
Unfortunately, this can only happen if Oregon somehow elects leaders with long-term vision and less bias towards the business and property development communities...  As Noam Chomsky has so often cited: This will be tough with the current crop of Democrats - the new-era Republicans.