Nabokov's cage broke a few years back, but it seems like all the NHL goalies use non CSA approved cages.
You can always look online; it might actually be cheaper even with shipping included. Goaliemonkey.com has good full sets for sale, all for ~150 USD.
Here in Calgary we have Pro Hockey Life stores, which sell mainly ice gear but still have ball hockey gear. It makes Canadian Tire stuff look like trinkets, but at the same price. I think they have an online store.