check it out in TIBS: http://www.cell.com/trends/cell-biology/abstract/S0962-8924%2815%2900193-2
Also, this review provides a bit more context than what is provided in the long form poem we wrote otherwise known as a nature letter. I hope the review helps! Also, Devon and Kurt are following this up and there is more to come on the subject (hopefully) shortly. The differential expression of genes with cell size is a bigger deal than the already big deal, IMHO, of cell size control.