The standard loan, in a good interest rate market. The higher your credit score, the better you will do rate wise. Most conventional programs require a minimum middle FICO score of 620.
Generally there is a 3.5% to 5% minimum down payment for this type of loan. If you can put down 20% or higher there is no PMI (private mortgage insurance). With less down there is PMI but you can request it to be removed when you reach 80% LTV (loan to value) and should automatically be removed when your property reaches 75% LTV.