Just before you sell it, you should look at the Huish Trade-in program. Or for anyone else looking to buy this computer.
Not sure if it's still avail but worth a try. Ship in your Cobalt and get:
Oceanic ProPlus X w/ Quick Disconnect - $329.95USD+tax+shipping
(normally $999.95, for savings of $670)
Oceanic ProPlus X
Suunto Eon Core - $329.95USD+tax+shipping
(Normally $929.95, for savings of $600.00)
Suunto Eon Core w/ Tank Pod (Transmitter) - $590.95USD+tax+shipping
(Normally $1,369.90, for savings of $778.95)
Suunto Eon Core
Color Options: Black, White, Lime
Suunto D5 - $329.95USD+tax+shipping
(Normally $929.95, for savings of $600.00)
Suunto D5 w/ Tank Pod (Transmitter) - $590.95USD+tax+shipping
(Normally $1,369.90, for savings of $778.95)
Suunto D5
Color Options: Black, White * D5 Copper and All-Black are available at an additional cost of $30USD ($359.95)
If anyone is interested in the trade-in, PM me and I'll send you the details of who to contact at Huish.