Look beyond the décor! An average house with amazing furniture and artwork is still an average house. Pay attention to the big-picture items:

 How many rooms?
 Will it accommodate your needs?
 Do you like the structural / architectural features?
 How does the house feel?
 Does it need to be fixed up in certain areas, or is it in top shape?
 Any drawbacks?

Don’t be afraid to ask for a second walk-through visit. The first walk-through can serve to separate the “definitely not” houses from the “definite maybe” houses. The second walk-through can then separate the “maybe” houses from the “Eureka!” house.