I would have liked the suits more if there were less Gundams.
I like how 00 had so many other types of suits, and even the "evil Gundam" archetype resulted in the unique-looking Thrones and absurd Arche. And Reborns was cool too.
While I liked some designs such as the 105 Dagger and a good number of the S-MSV and Astray stuff, I didn't like the whole XBOX HEUG backpacks most of the units had going on.