understanding explain data

[Sim Zacks <sim@xxxxxxxxxxxxxx>]

I am looking at the explain data for my query and it mostly 
understandable thanks to an excellent article by Jim Nasby, 
http://www.pervasive-postgres.com/instantkb13/article.aspx?id=10120

It is very time consuming and confusing walking through the explain. Is 
there a possibility (or does it even make sense), to be able to feed the 
 explain into an application that would tell you what you need to do to 
optimize the query?

Something such as: with this explain data, adding an index on table tbl 
column A would drastically improve the efficiency. Or at least an 
application that would say, the least efficient part of your query is on 
this part of the code so that you could more easily figure out what to 
do about it.