For car camping tins are fine, otherwise it's weight I just won't carry.
I do like the Marigold braised tofu in tins
a lot less fuss and bother than the packets swimming in water.
I also like grapefruit at breakfast, buying the wee tins of it already prepared makes life easy.
I like marrowfat peas and those little potatoes for the basis for a stew if I'm only taking a stove along and don't want to boil food for ages.
HWMBLT likes the bacon grill stuff, and yeah he likes it frittered but camping he just fries it up.
He takes the small evaporated milk tins along when he's camping.
I have to admit I don't really use a lot of tins, even at home. Handy though.
cheers,
Toddy