At one point, I exchanged some email with a marketing guy from Broadcom who basically said Linux is not in their plans. Broadcom does not consider end users to be their customers, and PC manufacturers aren't clamoring for Linux drivers.
Interesting article here on the end-user market for Linux PC's: <http://searchopensource.techtarget.com/originalContent/ 0,289142,sid39_gci1134910,00.html>