For whatever it worth, my current asset allocation is:
Vanguard Institutional Index VINIX 25%
Vanguard Extended Market Idx Instl VIEIX 15%
Vanguard FTSE All-World ex-US Index Inst VFWSX 35%
Vanguard Inst Total Bond Market Index VBMPX 25%
I use the following site and forums for my investing questions and info:
I've found it to be very informative and the forum participants to be helpful.