Not really. About 7 years ago, I used a CPA the year that I moved states, sold my house, substantial investment changes, and closed a personal business (no depreciation). They didn't find any extra that I wouldn't have found using Turbotax or HRBlock/Taxcut. Unless you have real sole proprietor income and expenses, major investment activity with cap gains, K-1s, or other income tax issues; you really don't need a tax accountant to do your taxes.
I don't game the system very well. My wife and I claim zero on W-4s. With minor investment ordinary income and some minor capital gains, we end up owing a few grand each year. Which is less than the penalty for under withholding. I much prefer that to allowing the government to hold my money for a refund.