Agreed, Potato burrito is the only thing Casa has going for it anymore.  I used to always get there steak Tacos, but then those started to suck. 
  
Nowadays, lunch falls into one of these establishments 
  
Aqua Verde 
Chipotle 
Than Bros 
Big Time 
University Terriyaki 
Thai 65 
Thaiger Room 
The HUB