Originally Posted by slash

You need to upload 5 Gb everymonth or to be more precise 4 weeks.

No, you need to 'download' 5 GB within 4 weeks. Your download should never be lower than 5.00GB or your account will be warned/banned. Here's where you look on your profile page:

http://img844.imageshack.us/img844/9622/hdroad.png

And if a torrent is 50% off, then only half of your download gets credited.