I love tuna salad but not that stuff from a can. Since Trader Joe's has come to town I found some lovely filets of Ahi and Albacore. The Albacore comes in chuncks also for $2.99 a pound.
I generally dice 1/2 a Red Onion, 2 stalks of celery and a teaspoon of dill. To this I add 2 tablespoons of Mayo, a splash of lemon juice and oilve oil.
The tuna has been sauteed in a bit oil in a fry pan till its done the way you like. Some like rare but I prefer it more cooked in salad. I give it a rough chop. Mix together, chill and enjoy.