eMarketer predicts that broadband penetration will continue to boom, growing from 2005's 36 percent of households to 56 percent of households in 2008. That translates into 69.4 million broadband households. The eMarketer predictions are the highest among those set out by a series of investment banks (ranging from 54 to 68 percent), Forrester (64 percent), Jupiter (46 percent) and Yankee Group (53 percent).