Per the AKC, there is no incorrect coat or eye color. It is very common for a Siberian to be one color and Mom and/or Dad to be a different color. Eye color is the same way. They can have blue, brown, be parti-eyed or bi-eyed. As far as color in the Siberian world, anything goes!

Let's start by saying there is no 100% sure fire way to know that you are getting the best dog. So what we are giving you here are just some suggestions. You can use all or part but we cannot take any liability for our suggestions. 

The best suggestion that we can give is to start some research, especially if you have never owned a Siberian. The first thing to do is check out the AKC at www.akc.org and see what information they have on Siberians. Second, read an article entitled "Is There A Siberian In Your Future?", which can be found at http://www.siberianrescue.com/seneca.htm. 
If you still want to pursue a Siberian, then visit the pups and meet the puppy's parents. While there, observe the parent's temperament. Then you can ask about pedigrees, what activities their dogs do, how often they breed, if they have a contract, have they had both parents eyes and hips checked and probably a lot more questions than what I have listed here. Another suggestion is to go to a dog show and meet some people that show Siberians. These people are very friendly and have lots of suggestions along with the do's and don'ts in the Siberian world.