+ Megahertz pretty printing is still off if the value is really off.
  397.9Mhz system does not round to 400Mhz properly.
  We have to be careful though... does a 377.9Mhz system
  round to 380Mhz or 375Mhz?

+ RAM can still end up being 1MB off, usually when ACPI is in use, but
  not always.
