Are you familiar with this group that focuses on Vanguard and Bogle? I'm not a member but they have some very intelligent discussions. https://www.bogleheads.org/
Grouchy? Maybe because he passed up billions by structuring Vanguard as a non-profit owned by Vanguard investors themselves. But I understand he's still worth a fortune... mainly from taking his own advice.
I love the guy, maybe more than Buffett and Charlie Munger.
News 
Market Data 
Discover 
