The Cupertino, Calif.-based company recently informed some of its partners and big box retailers that it has placed the top-of-the-line 60GB fifth-generation iPod on its 60-day "at risk" list. The 30GB iPod was not placed on the list.More info over here.
According to sources, when Apple makes note of an item being placed on an "at risk list," it could mean one of many things, or nothing at all. Simply, it's the company's way of warning resellers that it may make changes to that product, replace it with a newer model, offer a price reduction or discontinue it, among other things. Therefore, resellers should keep a close eye on their inventory management of such products.
Apple to drop or replace 60GB iPod?

Apple recently informed some of its partners and retailers that it may soon phase out or replace the 60GB iPod: