Anyone locking is some good rates for long term bonds?

[ggbman]

As interest rates have been on the rise lately, has anyone been socking away money into long term bonds that are paying 8% interest. Having that kind of return with no risk is a nice piece of mind, especially for young players who want to start something like a ROTH IRA. The big downside is missing other investmant opputunitues, especially because if you put it in an IRA, you cant touch it until you're 60.