Sure, if the software gets totally junked in a couple years then lifetime costs of the implementation become less of an issue. I work in an environment that's

Sure, if the software gets totally junked in a couple years then lifetime costs of the implementation become less of an issue. I work in an environment that's quite lean, but where deployment can take up to a year and lifetime is measured at the decade level so in my case the more traditional 'implementation is 10% of total costs' actually applies.