My rating system probably goes something like this.

10 - Outstanding
09 - Amazing
08 - Great
07 - Good
06 - Okay
05 - Not so good
04 - Bad
03 - Very bad
02 - Awful
01 - Terrible

Some people rate like this...

10 - Amazing
09 - Great
08 - Good
07 - Okay
06 - Not so good
05 - Bad
04 - Very bad
03 - Awful
02 - Terrible
01 - Worst. Upload. Ever.

And there are also people who rate like this...

10 - Best. Upload. Ever.
09 - Outstanding
08 - Amazing
07 - Great
06 - Good
05 - Okay
04 - Not so good
03 - Bad
02 - Very bad
01 - Awful

Basically, there are 12 different rankings that I made up for rating numbers here, and I shifted them one slot up and one slot down to just show how people can review differently, biased or non-biased. The 12 rankings I came up with are...

12 - Best. Upload. Ever.
11 - Outstanding
10 - Amazing
09 - Great
08 - Good
07 - Okay
06 - Not so good
05 - Bad
04 - Very bad
03 - Awful
02 - Terrible
01 - Worst. Upload. Ever.

Feel free to comment on this. Or something ;(