So are Clickies good or what?

[dookieshed]

Noob question here--

As a Paladin, I've been told Deepwater Armor is what I'm gonna be saving up for in the future, but none of the pieces besides the chest and legs have stats on them.
They do, however, seem to be pretty high AC which I know to be a very good thing.
They also have clickable spells which you can start casting at level 45.

My general question is: Are clickable spells on items useful, or are the spells kinda "meh"?

For example, is the Deepwater Armor good because it has lots of AC or because of the clickables (or both)? Should I wait until 45 to buy pieces of it or is the AC alone good enough for now?

Input appreciated!