I've just finished up the first batch of stools yesterday and thought that it would be a good idea to put them in a single pack as they all are modeled on the same base mesh.
The next models will be stools as well until I have 12 or so products to make a bigger collection from. I will be making other types of chairs after that - got tired of modeling houses.
Also I would like to ask Matt, Lisa, Tracy, and whoever else is monitoring new uploads and changes to products, not to change my product names anymore as it makes things complicated when I want to make a collection later on, i.e. I will make a collection of 12 (or whatever number) stools and it would be better to have the individual 12 models with "stool" in the name (which is being changed constantly :) - even if the model has a backrest it is still a stool.