You should definitely interview some attorneys - 2 to 5. Many attorneys will sit down with you at no charge and generally discuss what to expect on your DUI case. You should know your exact court and prepare a short summary of the event and have a list of specific questions that you want answered. I expect to spend between 15-30 minutes with a potential client and generally do not charge for an initial conversation.
When interviewing the attorney, you should see whether you are...
A dui that results in substantial bodily harm or death carries a mandatory minimum of 2 years in prison and a maximum of 20 years in prison. If the person had a prior dui felony that the penalty can be even more severe.
If you were given an own recognizance release, the terms are that you appear in court for your hearings. Normally no other restrictions apply so leaving the state would be fine. You will need to appear for the preliminary hearing or trial. The best thing to do is consult with your attorney to make sure that you have no restrictions on your ability to leave the state.