User Groups...wucorp Gangs

so it seems we have the option to create usergroups with designated colors and i assume other forum functions.

1.ProEng can you break it down for da Lamez? what is a User Group and what can it do for you? what group colors are avail? can it be any html color?


2.Any ideas for user groups?

3. what ever user group i am in will be the flyest looking group out of all.
sig exclusivity.

4. Usergroup draft?

5. gang warfare?