I think you'll find the V10 problems were only a few years, 1999-2001? The problem seems to be solved after that point.
As for the diesels, same drill, I think you'll find he only issues were with the 2002 - 2004 models.
I have a friend with 2006 Power Stroke equipped truck, it's got 250k hard miles on it, he's never done anything to the motor but oil changes.
Ted 'n' Laurie, plus Jackson (aka Deputy Dog, the Parson Russell Terrier 'fur kid') and, Rylie (who crossed the Rainbow Bridge June 14, 2012).