With the worst housing slump in a generation slashing home prices across the country, the dynamics of the market have shifted squarely in favor of buyers. And as the real estate industry grows increasingly Web-savvy, house hunters can now scour through neighborhoods, inspect front porches, and even peek inside bedrooms from the comfort of their desktops. But while this surge of new information can help you find that perfect home, it can also--at times--make the whole process overwhelming. Here are six ways to ensure that your online real estate search is as efficient and effective as possible