Definitely sit down and 'talk' (interview) some accountants/lawyers that have experience in Gaming to first get a feel for them and then make a decision if you're comfortable with one of them.
This is now treated like a business with keeping track of the (right) expenses very important to your end bottom line. The IRS is fairly forgiving the first year you have a drastic change in your income, but you will need to get used to making quarterly estimated tax deposits to both the Fed and States where the income occurs to avoid issues when you file your return. GL
