We have a Proliant that runs our accounts package; thoroughly nice machine (and with a colour-coordinated UPS yet; next - the spoiler for the back ), good performance , excellent warranty cover (and doesn't run Windows, but I'm ashamed to admit what it DOES run in polite company) and good build quality. They're a good option, I've just never had a problem with Dell, so I keep using them. That 3D rendering box that I self-built, on the other hand, is why I don't trust Seagate SATA disks anymore...and the RMA took forever. Not what you want with a business critical box at all.