High-yield CD rates still your best bet [Bankrate.com]

Bankrate article recommends that you keep CD maturities short in this low rate environment. However, it also adds:

If you ladder CDs, locking in 3.25 percent on the long end of your ladder might not be a bad thing to do at this point.

It also mentions to keep an eye on 5-year Treasury yields. Treasuries have one advantage over CDs in that Treasury interest is exempt from state and local taxes.