I hate you Fugger, your article cracked all my barrier and I just order a core solo mac mini (with superdrive and 1Gb of ram) waiting for the price of the duo to fall a bit before upgrading it.
This is all your fault

Anyway, I posted on a French website that you were the first to try a cpu change on the mini and they put on the front page
http://www.macbidouille.com/news/2006-03-05/#12452