I usually stop in for spam musubi because I like that they are ready and I don't have to call in an order. Today I went early enough that they had boxes available to purchase, so I tried one. The rice, spam and teriyaki chicken were good but the rest wasn't great. The beef was fatty and the eggs didn't have much flavor.
The photo I posted shows the little spot where they have pre made items for sale. The boxes sell out by early afternoon and the spam musubi is usually there until late afternoon, from my experience. All of the boxes there today were the one shown in my picture, so that might be the normal options.
As far as their spam musubi, I really like it because they put sauce on either side of the spam. They come with a lot of rice too.