By all accounts, those tacos in a Doritos-flavored shell over at Taco Bell are a huge hit. It's no surprise to see other fast-food chains rolling out the orange-dusted chips in similar products. Huffington Post has word that Subway is the latest to get into the Doritos game, as the chain is testing "Subway Nachos" (catch phrase: crunch into cheesy goodness). Instead of corn chips, the folks use the aforementioned Doritos and top them with cheese and jalapeno peppers. Huff Post notes that they are just "testing" this, but if the success of those tacos are any indication, you may be seeing these things soon at a store near you.