Here is a link to determine ...

Fri, 03 Jul 2009 17:59:00 GMT

Here is a link to determine property eligibility
http://eligibility.sc.egov.usda.gov/eligibility/welcomeAction.do
Here is a link to determine income eligibility
http://eligibility.sc.egov.usda.gov/eligibility/incomeEligibilityAction.do?pageAction=state&NavKey=income@11

Some lenders will go 100% financing with through the USDA programs.

These links should get you started.

Zillow Advice: Approval/Qualification Process - USDA Rural Development, Any details would help on how this works.