Just stumbled across a well-written article describing things to do and places to stay in Denali National Park. Check it out at
http://wikitravel.org/en/Denali_National_Park -- you also might want to check out some of the other Alaskan articles there. Some are full of information, but most are lacking--still, you may come across something that helps!
Haven't been to Barrow or Pepe's, but I've heard about it! I do like Mexico in Alaska's mole sauce on occasion, but usually I just go to Taco King or Burrito King, or if I'm in the mood for a sit-down Mexican meal, I'll break down and go to Gallo's or Las Margaritas (not quite as good as what I remember from my Californian childhood, but passable), or I'll order out from Cilantro's...