Best time to buy, EVER!
http://www.thetruthaboutmortgage.com/bay-area-home-prices-plummet-as-fire-sales-continue/
That's around 4.25% after the interest deduction.
I've got Countrywide calling or writing weekly, pretty much begging me to refinance - never gonna’ happen, I just sit there, collect the rent, and watch inflation reduce the ratio of rental income to financing cost.
But I was investing, not speculating.
In my area prices on existing property still have a long way to drop (around another 20%) before the numbers again make sense (if they ever will) to me as a rental property owner.