Step #1 Combine Italian salad dressing & balsamic vinegar; place 1/3 c dressing mixture in resealable bag along with pork chops; seal bag & put in the fridge for at least 30 mins or as long as overnight.
Step #2 Cover up & reserve remaining dressing.
Step #3 Prepare grill to medium-hot.
Step #4 Remove chops from marinade & discard marinade.
Step #5 Grill over direct heat for 5 mins per side, until browned.
Step #6 Remove from grill & keep warm.
Step #7 Grill bread slices 2-3 mins per side until nicely toasted.
Step #8 Remove bread from grill & cut into 1/2 inch cubes.
Step #9 Meanwhile, mix lettuce, beans & tomato in large bowl.