The default view for the Users page is by all-time reputation. Now I don't have a problem with that but every now and again (moreso on UV) you got topics that seem to be premised on it essentially not being fair that high rep users... had high rep.
There was also the occasional hand-wringing incident about what would happen if Jon Skeet suddenly stopped contributing. He'd still have all this rep, etc.
Now I largely dismiss those concerns but just today I was thinking: since the barrier to entry at the high end is now so high and even though reputation is certainly no measure of expertise, standing or quality it is a useful tool for recognizing contribution.
Maybe we should have another view of reputation on the Users page which is a rolling window. For example: reputation gained in the last 6 months. Pick whichever window you think would work best (suggestions welcome). It will let users see highly active users if they so wish.
We already have a variant of this on the tag info pages where you can see who has been the most active over the last month.