Since BigBand Networks ( BBND ) is part of our model portfolio, I feel compelled to comment on the devastating news released after the close last Thursday. The company announced that it would encounter a revenue shortfall and be unprofitable in the third quarter. BigBand now expects to report revenue for the third quarter in the range of $35 to $39 million, which is below the company's previous guidance of $54 to $58 million. The lower revenue outlook is due to several factors. BigBand has been deploying switched digital video across an expanding number of customers and configurations. Some of these ongoing deployments have required more software customization and integration than originally expected. In other words, the company underestimated the effort and the timeline. This has impacted their ability to book revenue for some of these deployments in the third quarter. The company also said it experienced a slowdown in Telco-TV revenue, as its "major customer" worked thr...