I've just bought mine, they're normally about £150 for the CA v3 DPS and the shunt, shipped (or more if buying direct from Grin Tech and paying customs etc), selling for £120 + £6 postage. They've got two left.
http://alienpowersystem.com/shop/cycle-analyst/cycle-analyst-ca3-dps-with-shunt/
http://alienpowersystem.com/shop/cycle-analyst/cycle-analyst-ca3-dps-with-shunt/