OK, a 767 sounds fine to me.

Does Co have any to spare??
FWIW:
http://www.flyertalk.com/forum/Forum...ML/000008.html
Looks like Iberia is pulling out of the Central America--Spain market. That means: 1. more pax for CO, but 2. en route pax would need a visa for the US. Hmm...... I don't know how official this is, but it's something to consider.