I hope they do not intend to change IB's livery, it's a smart classic scheme that has worked pretty well for more than 24 years now and the colors are very representative of the spanish flag, yellow and red. They have made some small modifications, like the slight changes they applied to the Royal Crown, or getting rid off the nose black dot, but this livery is still working very well.
Iberia needs other priority changes, and I believe their livery is not one of them
I wouldn´t like IB following the steps its partner BA discarding a great livery for a dodgy one!
I believe liveries like IB, BA's landor, AZ or KLM are/were the best in Europe, and it's sad to see them go forever..