Spam is the State food of Hawaii. It rocks, and hardens the arteries better than super glue.
Yeah, it's everywhere on the Islands. In fact, I tried a Spam dish at one of those L&L Hawaiian Barbeque fast-food joints. Overall, the food there is okay - but I'd skip the Spam Musubi. Basically a chunk of grilled Spam and a wad of sticky white rice, wrapped up in a hunk of seaweed. It may just be my individual palate, but the taste of Spam just doesn't go with seaweed - or vice versa.
Otherwise, I like the stuff - especially dunked in an egg wash, rolled in bread crumbs and pan fried. It's an angioplasty on a plate, but damn, it's tasty.