MediaBuyerPlanner: CBS is nearing the end of its upfront business and is expected to take in between $2.3 and $2.4 billion - similar to last year's upfront sales, according to Mediaweek. However, CBS still has some business to write, and insiders believe that if some agencies are unable to come to agreements with ABC - which wrote business at the highest CPM increases of all the networks - CBS may get more business still.