It is entirely possible that she recognizes other huskies. Huskies do play differently that some other dogs. My friend's Golden Retrievers won't play with my huskies. They have no idea how to wrestle. Chum often gets in trouble when he tries to play with other breeds when we are walking, but other huskies tend to know what he's doing and off they go playing.

Teeth bared and growling in a husky don't always mean fighting or aggression. My guys sound like they are killing each other when they play. We call it Husky WWF. They make a different sound when it's a real fight. My husband's theory is that if there's no blood, they are playing. Usually that's pretty close to right.

Are her hackles up when she meets another dog? Does she go physically tense?

A curled tail is a good sign usually. Straight out or straight up can be more of a sign of tension or aggression.

She may also be reacting more negatively because she's on a leash and your neighbor's hound is loose. Has she met any other dogs in an off-leash environment? Maybe she could have a controlled play date with a friend's dog--one you know is friendly and mild mannered with other dogs.

Huskies also have a tendancy towards same sex aggression. She may do better with males than she does with other females.

You are very right about her reaction to your kitten and small dogs. Many huskies have a very high prey drive. It's not aggression, it's a left over instinct from when they caught their own food! Most huskies are not trustworthy around smaller, furred creatures. Squirrels only come in my yard if they are suicidal. My dogs have learned not to bug the indoor cats, but I have told my neighbor that I will not take responsibility for the safety of his outdoor cat.

When I got my first Siberian, the best advice anyone gave me was this:
A tired husky is a good husky
Unless you live in a very warm area, where you need to worry about her overheating, you can't give a husky too much exercise!

Which husky books are you reading? There are some really good ones out there. I always recommend "Siberian Huskies for Dummies" (rude title, great book!) for first time owners as well as "The Essential Siberian Husky." And my personal favorite dog book, not husky specific.."If dogs' prayers were answered, bones would rain from the sky". It will change the way you look at training and give you all sorts of tools for building a remarkable, lifelong relationship with your dog.