CNNMoney gives us the update.

Unfortunately, however, this is one of those cases where a perfectly good strategy may run up against the shoals of hard reality -- the hard reality in this case being that employers aren't exactly jumping on the Roth 401(k) bandwagon.

Indeed, a recent survey of more than 220 large companies by benefits consulting firm Hewitt Associates found that only 13 percent of companies say they are very likely to add a Roth 401(k) this year.

Apparently, employers are worried that adding a Roth 401(k) might be a cumbersome administrative undertaking, plus they're concerned employees might not understand and use it.