CABLE TV SET TOP BOX MANUFACTURERS enjoyed a record year in 2006 as cable operators around the world signed up millions of new digital cable subscribers. A report from the high tech research firm In-Stat says the results, fueled by a sharp rise in demand for cable set top boxes in China, show worldwide digital cable set top box unit shipments increased to 27.5 million in 2006, a giant spike in comparison to the 15.6 million units that shipped in 2005. However, while the "big two" North American suppliers, Motorola and Scientific-Atlanta, enjoyed strong unit and revenue years, their overall...