The wagon is back from the shop. Two hoses were changed out, the big one to the radiator and the smaller one that burst (the one to the heater core).
To my surprise the battery was totally flat and charged 0.6 volts. So low that the smart charger couldn't pick it up and start the charge lol. They changed it out to a second hand one they had lying around for cheap.
I had to drive a Volvo V70 Diesel for when the Saab was in the shop and it pulls, but it doesn't pull like a 2.3T. The Saab is rated at 330nm whilst the Volvo is 400nm (diesel) but the Saab is just more spirited and it pulls insane in third and fourth. More fun drive really.