Popular product in Hawaii also...
They make some great food.
Mu-su-bi: Essentially nigiri style. sticky rice pressed into the bottom of a spam can, a nice thick slice of grilled spam, maybe some scrambled egg, and wrapped with a narrow strip of nori. Wrap it up in plastic wrap. Stick a couple in a day pack and they are Hawaiian energy bars.
Spam musubi is hugely popular with high school kids around here. I was thinking of learning how to make it.