1. Less flames. Users vent their spleens on rating the one that got on their nerves with a -5 and that's it.
2. Easier spotting of bad members/trolls by new users. This way, new users will not take seriously the bad members' posts and they won't get a bad idea about your forum, they will just think "oh nobody likes that guy anyway, he's not representative of the forum".
3. Users try to have a good behaviour because they know that otherwise their karma will decrease.
4. On a big board, it makes it easier for you to spot members that would perhaps make a good moderator (if they have a high karma value) or members that may need to get banned (if they have a very low karma value). You will also be able to judge how a ban will affect your other users, according to how much they like the soon-to-be-banned user (which is reflected in his karma value).
   

Admin/Mod Features

1. Now compatible with vBulletin 3.6.8 (link to e-steki Karma 1.0 for 3.5.x).
2. Customizable via a lot of settings.
3. Much better and more safe coding than the previous version. Most of the code has been rewritten from scratch.
4. Great power about who will use the system, via the permission settings.
5. Maintenance section
6. Easier installation than version 1 (Only one template edit (placement of a small comment), the others that version 1 had are now performed via template hooks).
7. Fully phrased (exept for the AdminCP Maintenance section)
8. Users with karma administrative priviledges can see for every user who they rated and by whom they have been rated and remove any vote they wish (useful for karma flooding that some users perform to be in the stats).
9. Most of the bugs in the previous version are now fixed with the maintenance section addition.
10. The bug with the date of the last vote in the profile is now fixed.
11. Displaying the karma in the postbit is now done with no queries.
12. Users with karma administrative priviledges can see the IP of the rater in each vote
13. A nice, usable and extensive html manual instead of an ugly readme.txt ;-)

End user Features

1. Users that have the Karma turned off don't count at all for the system. their votes don't count in anything, and the votes others gave them before they turned it off also don't count at all. Those users also, can't see anything that has to do with the karma system, anywhere. It's like the karma does not exist for them and they don't exist for the karma. However, if they switch it on again, nothing is lost and they may continue from the point where they deactivated it.
2. Rating is now performed by clicking on an image, no form submitting required (saves one click)
3. There is a complete statistics page, with 7 tables that display various statistics.
4. The Karma of each user displays in the postbit (unless he has opted out of the Karma, is not permitted to use it, or the admin has turned off this feature) and users can rate him from there
   
5. In each member's profile they can see if they have previously rated them and what rating they gave.
6. They can view all the votes they have given in a separate page and remove some of them if they wish (or go to the member's profile and change them). Votes that are not active at the time are marked with an admin-controlled formatting. He can also sort the votes by date or rating (default sorting is controlled by the admin). In the same page, users with karma administrative priviledges can also view who rated each user (fully, with sorting, formatting and vote removal).
7. Controversy feature, via an admin customizable algorithm. Controversy for each user is displayed in their profile, as well as in the stats and is color-coded as well as descriptive.
8. Each user can view the percentages of the votes he (or every user, if set so by the admin) has received in a nice graph by clicking in the controversy value.