Kiplinger's magazine recommends short term high quality bonds. Short term because interest rates are so low.
Take a look at the following link and find the animate button:
http://stockcharts.com/freecharts/yieldcurve.html
When the treasury yield curve is showing an up slope that is bullish.
If they want you 100% in the stock market, and they want you to buy and sell with commissions, watch out.