Hewlett-Packard is <A HREF="http://www.eweek.com/article2/0,1895,2102468,00.asp?kc=EWNAVEMNL031207EOAD">ramping up its desktop line</A> with additions to four models that will emphasize energy efficiency and long life cycles for business customers.

As it has with other models in its Compaq line, the company will offer Intel's Core 2 Duo processors in two of these desktops. In addition, one model, the HP Compaq dc5750, will support Advanced Micro Devices' Athlon 64 X2 dual-core processor.