The OptiPlex GX520, which starts at $549, is based on Intel's 945G chipset, and is powered by Pentium 4 or Celeron CPUs as fast as 3.4GHz. Although Microsoft's Longhorn is more than a year from ...

Dell took the wraps off of two desktop computers on Thursday that it says really get the lead out. The company announced that its latest OptiPlex systems--the GX520 and the GX620--not only are powered ...