What is your goal for leaving money to heirs? A Roth IRA is a great way to pass wealth to your heirs because of the ability to turn it into a Stretch IRA.
Those who suggest doctors in their peak earnings years should make Roth 401(k) contributions, do Roth conversions, or worse, avoid tax-deferred accounts altogether are either ignorant or selling something.
Take advantage of the window of opportunity between accumulation and distribution in retirement. Use partial Roth conversions and keep more of your money.
Whether or not to use your 457 plan is a complicated question. TPP digs deep into governmental vs non-governmental 457s to help you make the best decision.