Raider Nation: What makes McFadden so appealing?

Last year while most of you were champing at the bit for the Raiders to draft JaMarcus Russell, I was feverishly preaching that the Raiders needed to draft either Adrian Peterson or Marshawn Lynch.  Then, my reasoning was that with Andrew Walter already on the roster, a horrible offensive line, and no running back on the roster capable of putting fear into a defense to keep them from blitzing every down, the Raiders HAD to get a big play running back. A year later and it looks like you all have caught up to me by raising the fervor for McFadden, but now I'm in disagreement...again.  You see, after last season things have changed.  Ok, so the Raiders still have Walter on the roster, but you got your wish last year when they drafted Russell.  Even though, I think Andrew Walter is going to tear up the league when he gets the chance, I'll concede that you guys were probably right about Russell.  He's as good as advertised, but so was ... (link)