Nononononononooooo! Don't cover them up! I would rip off my foot for floors like that! I have tile floors and I HATE them! We would have to go with laminate because our house was build on a slab. If you sand and stain with what appears to be very minor repairs, you will have the most beautiful floors. Home depot gives workshops on this sort of thing and then you get discounts on the products and tools that you need to rent.

Do it do it do it!

Cathy