Walnut is used in alot of applications including flooring and furniture. The wood is considered stable and easy to work with. The color can range from gray to deep brown.
Pro:
Easy to use
Unique color
Con:
Softer than oak or maple
Expensive
Cherry is commonly used in furniture. Its natural red hue is sought after in fine furniture. Cherry is also stable and easy to work with.
Pro:
Rich color
Tends to darken with age
Con:
Expensive
Reactive to sunlight
Birch is another species that can be frequently found in furniture making. It was extremely common to be used in the 60's and 70's. The grain tends to be straighter and consistent.
Pro:
Moderate strength
Less expensive
Con:
Grain pattern can be bland
Can be difficult to stain