I’ve noticed that I still get references from URLs that even though DO aim here… are not the ones I use.
Please, to everybody who links me, I’d appreciate if you used http://jj.isgeek.net/ to my blogs URI instead of the aureal.com.pe user directory or the /blog/ subdirectory of isgeek.net 
You can work this out with a little of mod_rewrite magick. I faced a similar problem, I wanted to redirect hits to breno.org to http://www.breno.org so as to have all the visitors coming through the same place so this is what I had to add:
RewriteBase /
RewriteEngine On
RewriteCond %{HTTP_HOST} !^www\.breno\.org
RewriteRule (.*) http://www.breno.org/$1 [R=301,L]
I used an .htaccess files for this rules, so later when we moved from an Apache based server to a lighttpd one I had to do nothing because lighty is Apache-htaccess friendly