Tuff call for adding handling and maintain ride comfort. Ride comfort alone is very subjective. Sway bars typically don't diminish ride quality so you might add front and rear sways before torsion bars and see if you like the added handling while maintaining the ride quality you have now.
I agree with abodyjoe, get some better shocks i.e Bilstein, Hotchkis, Viking, etc.
Short walled tires and better compounds aid in handling (and braking) too.
Modern Alignment is another thing to consider.
The slope thereafter begins to get slippery......
