It depends on how heavily you use the optical drives and storage drives. Intel says that if you have the problem at all, the ports will degrade over time and eventually die. Their prediction is 5% failure rate over three years. Heavier usage will degrade them quicker.
I'll be getting a new board when the fixed ones arrive in April. I have my main hard drive and a DVD burner connected to the SATA II ports, and I figure I won't be that unlucky to have a failure before then. I already had all of my important data backed up for the migration to Sandy Bridge anyway, so I won't lose anything.