What are the pros & cons of these two products?

Can Erwin handle large database? What I mean is the limitation on number of objects such as tables, indexes, constaints, etc.

We are currently using Oracle Designer. Looks like Erwin is more user-friendly... but we are not sure if Erwin is designed to handle large database. Our database grows quite a bit in terms of both data and physical objects.

Any thougths on that would be appreciated. Thanks!