Stress?

So, I've been considering getting a hamster for a while now, but I have a big problem, or five problems rather: Cats. Specifially, very curious cats who are always snooping around. Now, I understand that the problem of keeping them apart can easily be solved, but what I'm worried about is stress on both parts: for the cats, the stress of having prey they can't get to, and for the hamster, the stress of always being stalked by cats. Will this put a lot of stress on both animals, because I couldn't do that to any of the animals, or will it be a relatively minor issue?



-Greg