Little moofy point on the Reviews sidebox ...

While this reads one way in the Configuration ... Maximum Values ...
Number of random product REVIEWS to rotate in the sidebox
Enter the number of products to display in this sidebox at one time.

How many products do you want to display in this sidebox?
Go ahead and change that to be a higher number as if the question really asked:
How many product reviewss should be selected, before selecting one for display

Example: try 10 or 20 to get the randomization going ...

Moving this to Bug Reports ...