the benefit of putting a portion of your assets into precious metals is tax excuse, so investors would certainly be wise to set aside a slice of their IRAs for gold and silver. If history is a reliable guide, doing so will increase your returns while minimizing your risk.
Seems like that place you mentioned in another thread would be a good place to start with that. http://www.bullionist.com/showthread.php?252-Online-site I don't know if the company is solid, but it seems like bullion investing with your IRA is one of their speciality.
Good point Peter. I am still doing some research on this company and if they pan out to be legit then I will be calling them to ask them about IRAs and silver.