Nadya,

>>
>>You can turn off the Chatter category now under settings.
>
> I can't find this option... Where should I look?

Click the setup button on the left, then edit. It's listed as "Show non technical categories".
>
> BTW, You have a very nice signature... How can I create something like this? :)

Thanks! You can view the source code for my sig in IE by right-clicking on this message and selecting view source.