Conclusion: The HP dx5150 is a strong small-business PC for those who want the security of a machine from a large manufacturer, with the future-proofing and hardware-based virus protection that the AMD Athlon 64 platform offers.
Pros: Windows XP x64-capable and Longhorn ready. PCI x16 slot for graphics upgrades. AMD enhanced virus protection. Quiet. Built-in dual-display capabilities. Small size. Many future-proofing features.
Cons: Half-height slots. May not fit your current disk image directives.