If you enjoyed using the SU-122-54, the Obj. 268 is nesrly as fun, though much larger due to the 152mm. Both have two 14.5mm machine guns i think but the 152 bonking everyone with HE is fun. Take it up to A point on Frozen Pass and you can singlehandedly hold the cap for a while if you play smart
the spalling with APDS sucks and then to use it on a tank with such a long reload is just a terrible idea. the APHE is good enough with the pen, its like a tiger 2 but always oneshots