Boeing’s 737 is appearantly in competition with a model from Brazil’s emergent Embraer.

bq. Seattle Post-Intelligencer: Lockheed looking at Embraer, Boeing for spy plane
Lockheed Martin Corp. is looking at the Embraer 190 and the Boeing Co. 737 as candidates for a new Army spy plane, the company said Friday.

Granted, its a specialized sale, but it again illustrates that, a decade ago, Boeing should have been worrying, not just about Airbus, but about “the little guys”:http://www.geekfun.com/archives/000602.html. They didn’t, and now they are feeling the heat.