Where four (4) couples are randomly seated around a round table, what is the probability that at least one (1) of the couples will be seated next to each other?

Find the number of ways these people can sit around the table by simple permutations. From that remove the probability of having no couple at all sitting beside another.

Here someone has addressed this problem using 3 couples:

Probability & Statistics: probability question, probability question, n factorial (http://en.allexperts.com/q/Probability-Statistics-2077/2008/4/probability-question-1.htm)