An Inside Look at Retirement Living The slideshow presentation that you would like to view is too large for your current screen resolution. Click here to view to view the slideshow at full resolution. Launch Presentation » Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content The Power of Tax-Deferred Growth Why are 401(k) plans, annuities, and IRAs so popular? What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA. Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year.