Hi: I am trying to get a good deal for my family from MexCity to Cancun. Just found Viva Aero online, although not very easily! They have great fares, in fact a 2x1 at the moment. I did some quick searching on this forum and found some not so positive comments but nothing terrible. Has anyone flown them recently and if so, would recommend them? Any advice? Thanks much--I have to book these tix today.