I am also looking for old Dutch kettle chips jalapeño and cheddar and Doritos of the same flavor as well. Oooooh and funyuns. Love funyuns. Haven't had any luck finding those :/
Also if you are able to source the following ingredients, I think you will find this salsa recipe fairly simple to make
2 tomatoes
2/3 onion
2 jalepeno peppers
Cilantro
Lime juice
Salt and pepper
Sub habereno peppers if you prefer a even spicier version!