Addendum 9/24/12: We drank a bottle of the 2009 Signature Cabernet Sauvignon ($49). It was extremely drinkable now and represents an excellent buy at this price. This is a classic style Cab that just about anybody who likes Napa Valley Cabs would really enjoy.
Addendum 6/23/2012: I found a few interesting articles about the famous 1969 Chappellet Signature Cab that you might find interesting:
Rutherford, CA 94573