I have a character that I'm messing around with at the moment and I've taken Ice Form (I know about the shatter cool down, but I don't find myself using shatter very often).

I'm just wondering what you think of this build:

Build by championBuilder 0.4.1

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Neige Oiseau: Level 40 Champion

Superstats:
Level 5: Super Dexterity
Level 13: Super Endurance

Powers:
Level 1: Ice Shards
Level 1: Ice Blast -- Hard Frost, Rank 2
Level 5: Ice Shield -- Frigid Air, Rank 2
Level 5: Fire Flight -- Rank 2, Rank 3
Level 8: Ice Form -- Rank 2, Rank 3
Level 11: Heat Wave -- Engulfing Flames, Rank 2
Level 14: Shatter -- Rank 2, Rank 3
Level 17: Frost Breath
Level 20: Toxic Nanites -- Rank 2, Rank 3
Level 23: Fireball -- Unstable Accelerant
Level 26: Flashfire -- Rank 2
Level 29: Ice Barrier -- Frigid Freedom
Level 32: Thermal Reverberation
Level 35: Snow Storm -- Eye Of The Storm
Level 35: Acrobatics -- Rank 2, Rank 3
Level 38: Ice Sheath

Talents:
Level 1: Absolute Zero
Level 6: Acrobat
Level 9: Impresario
Level 12: Accurate
Level 15: Quick Recovery
Level 18: Boundless Reserves
Level 21: Amazing Stamina

I'm at level 20 already and I've found myself falling into a routine. I take out henchmen with frost breath (but I think I'm going to retcon that out because frost breath is garbage -- might just switch to fire breath) and then use toxic nanites and heatwave to take down villains+. I'm thinking I might take Imbue because I've heard that if toxic nanites crit, then they crit for the entire duration of the DoT... which would be nice.

Any thoughts?

P.S. I don't PvP. So I'm solely concerned with PvE play.

If you have Ice Form, you don't need Ice Shield. Ice Form will take care of Chilling attackers. Force Shield would be worth a lot more. Retaliation and Telekinetic Shield would also be better.

Frost Breath also isn't needed for the Chill effect, and the energy cost always feels high to me. Check out this combo - Venomous Breath + Aspect of the Celestial. Venomous Breath is low energy cost and will benefit from you ice form and dex crits. And when the AotC defensive buff procs (and it will), you get a big-time defensive bonus.

You need heals, and Bountiful Chi Resurgence and Bionic Shielding both work well for this build.

Grab snow storm with the advantage for chill and great AoE damage.

Take Skeeter's advice for some nice toxic damage with CC and debuff action.