They wouldn't have the possibility of coming in under the Family Category if you didn't have your Residence. That is a BIG advantage, since all they have to prove is their relationship to you.
You have probably seen other people's threads about proving partnership - remember, you will need this evidence now, when your wife applies and you sponsor her. Start collecting all possible materials showing that you live together and are interdependent - you need to cover all the time from 12 months ago, continuing right up to date.