> Some firms offer target maturity bond funds which will is the best of both worlds.
These are great for corporate bonds. Check out iShares iBonds if you want to include corporate bonds in your portfolio without building a ladder or taking on interest rate risk.
You don't want to include corporate bonds in your portfolio. Generally speaking, buying equities gets you a better price for the risk you take; a slightly higher equity percentage with government-backed bonds will generally outperform at the same level of risk.
These are great for corporate bonds. Check out iShares iBonds if you want to include corporate bonds in your portfolio without building a ladder or taking on interest rate risk.