The Rep Power is shown for each user below the post count. The Rep Power shows how many points you will leave/take away when you Rep someone. This number is based on how long ago you registered, how many posts you have, etc.

Your actual Reputation can be seen when you hover a mouse over grey/green/red bar under your username . The number of green/red bars also reflects your reputation level.

The reputation of all members can be seen in the Members List Member List - MasterRussian.NET

As you gain and lose reputation, you are associated with a moniker that describes your current level. These levels are:
< -50 - User is infamous around these parts
-50 - User can only hope to improve
-10 - User has a little shameless behavior in the past
0 - User received little or no reputation points at this time
10 - User is on a distinguished road
50 - User will become famous soon enough
150 - User has a spectacular aura about
250 - User is a jewel in the rough
350 - User is just really nice
450 - User is a glorious beacon of light
550 - User is a name known to all
650 - User is a splendid one to behold
1000 - User has much to be proud of
1500 - User has a brilliant future
2000 - User has a reputation beyond repute