http://www.talkorigins.org/indexcc/CB/CB101.html

But it's not that simple:
http://thequestionableauthority.blogspot.com/2006_01_08_thequestionableauthority_archive.html

The probability of mutation at any point in the genome is not equal:
http://www.pubmedcentral.org/articlerender.fcgi?artid=340953

Moreover, I think the categorization as 'neutral' generally considers only first order effects.

I know you want everything to be very simple, but actual science takes time to understand.