Awesome - the Importance bit is very cool. Arrington doesn't belong as a 5, but that's just a little detail.
The score was certainly subjective. Ultimately I created the list of free agents and debated between ranking them by position [i.e., 1s through 5s at each position] versus ranking them 1 through 5 in the grand scheme of things.For example, I would contend that no FB is worth more than 3 TOPS. Whereas most QBs, particularly if they're starters or backups vying for the job, should be no less than a 3.
Ultimately I just went with what feels right. But it's completely adjustable and, I'm open to debate if it's clear a consensus feels an importance score is way off.
FYI: I am also making some minor adjustments on the fly when players sign elsewhere. For example, if a RFA signs a decent deal elsewhere indicating he'll be a starter or key rotation guy, he probably gets a bump from a 1 to 2 as a result.