A bit of a late repost, but here it is: 
 
http://kotaku.com/5575461/weighted-morality-in-gaming

And this is why I've petitioned the fine gents here at GB to add my text adventure game Deephome to their archive.  If you've never played it (and I know you haven't), go look it up online, Deephome and Joshua Wise.  You might just enjoy yourself*. 
 
 
 
*No promise of enjoyment is implied by the previous statement.