With their latest annual gain of 8.1%, real estate prices — as measured by the 20-City S&P/Case-Shiller Home Price Index — continued to rise, but the pace of the increase is slowing. The last three sets of numbers reported (for April, May, and June sales) show gains of 10.8%, 9.3%, and now 8.1%, respectively. While that data series does make it easy to forecast how the July numbers will probably come in — anyone want to go out on a limb and guess an annual gain of 7%?