It seems like it would be a good idea, though, to deal with the uncertainty that accompanies the economic reality, perhaps with a built-in utility that monitors the drive at a user's option and reports any spares used. (Does anybody know if DW pops up a notification if a spare block is used?)
The new Great Equalizer is the SEND button.
In Memory of Harv: Those who can make you believe absurdities can make you commit atrocities. ~Voltaire