The latest results of a periodic national survey by Trulia.com and RealtyTrac show reduced appetite for foreclosure purchases, but also more realistic expectations.The November survey found 43 percent of the 2,203 adults surveyed would be at least somewhat likely to consider buying a foreclosed home in the future, compared with 55 percent of adults surveyed in May. Among all respondents, negative sentiment towards a foreclosure purchase remained high at 81 percent, compared with 85 percent in May. Top concerns included hidden costs, the riskiness of the process, and fear that the home will lose value after it is purchased.Top executives for Trulia, a real estate search and marketing site, and RealtyTrac, a data company specializing in distressed properties, predicted continued ...