Most of us who are not at-home graphic designers in Wallingford, or Rainier Valley schoolteachers, do not have easy access to taco trucks during the workday. We’re stuck in neighborhoods with nothing but faux burritos. And for us, there is a standard face-off in what the industry calls the Mexican Fast Casual category: Taco Del Mar vs. Blue Water Taco Grill. Both of these are locally-grown chains–TDL now much bigger, with franchises all over the country; Blue Water run by longtime local restaurateur Dave deVarona, whose previous stab at this business ended up selling out to the wretched World Wrapps).I’m a diehard Blue Water man myself. TDL makes me wretch. But what about you, the discriminating Voracious readers?