If you can't decide on a size remember this: It's better to have one that's too big than to have one that's too small. Wooden coffee tables, as well as all coffee tables, are usually 16 inches tall. Some however can be as low as 10 or 11 inches tall. Are your wooden coffee tables going to be foot_rests for family members and visitors? If you think that there is a chance that people will put their feet on the coffee table then having wooden coffee tables is the way to go. Wooden coffee tables and upholstered coffee tables are the most resilient against damage. A simple polish can almost always remove dirt or marks left by shoes.
Function _ The way you use your coffee table is a key factor, if yours tends to double as a dining table for yourself or children, look for an easy to clean surface such as glass or poly, if you are intending on housing your DVD collection in your coffee table you will need to look for something with storage. If you have young children who may be crawling, or climbing on furniture, you may like to consider something with round edges, which does not necessarily limit you to round designs; many rectangle tables will have a softer curved edge.