What breed of dogs are supposed to be really smart?

According to Pet Meds Online (see link below), these are the top ten smartest breeds:

10. Australian Cattle Dog

9. Rottweiler

8. Papillon (7)

7. Labrador Retriever (6)

6. Shetland Sheepdog (5)

5. Doberman Pinscher (8)

4. Golden Retriever

3. German Shepherd

2. Poodle (Standard)

1. Border Collie

Animal Planet's site has the same top 10, but in slightly different order as indicated by the numbers in (parenthesis) above.