Have you been to the Vanguard site yet? They have a section on getting a recommendation based on your input to some questions for establishing your risk profile. You can find it here:https://personal.vanguard.com/us/funds/etfAfter you answer the questions they come back with a recommendation of what Vanguard ETF would be appropriate.More than likely you'll get a recommendation of (3) ETF's: (click <Get A Recommendation>).Total Stock market: VTITotal International: VXUS (no US stocks)Total Bond Market: BNDThe %age to invest in each will depend on your answers. I agree you should put some in a CD or similar investment. Maybe $20K in a CD ladder. CD's of 1, 2, 3, 4 & 5 year duration with $4k each. Invest the rest.Disclosure: I have a Rollover IRA @ Vanguard and am very pleased with them.