We remodeled our kitchen in 2005 and we installed a Sub-Zero 685 refrigerator/freezer.  Luckily, we purchased an extended warranty which has really paid off! 

Repairs (thus far):  Main computer board replaced twice.  Heat exchanger,cooling fan assemblies replaced.  Ice/water valve replaced.  Exterior water "catch tray" replaced 3 times due to finish peeling off.  (The latest one is stored for the day we sell the house.  I can look at a plastic tray until then.)

The unit seems to run all the time, and this after our children are grown and moved out!  The computer display panel did not...