All of these issues are addressed by this plan, although the death tax is only eliminated gradually over the course of six years, and obviously a future Congress could stop it from happening. But if it does, then that Congress is responsible for its actions.
I'll support it because it's much better than the status quo, and it will result in more robust economic growth. The corporate rate cut alone makes the proposal worthy of support. But it's not as good ass it could have been. Preserving the mortgage interest deduction and the state/local tax deduction was a mistake and missed a huge opportunity to further simplify the code. They say eliminated other special deductions so we'll have to see what they actually did, but they shouldn't have kept these two. They're popular and thus hard to get rid of, but they're still bad policy.
Here is the summary just released by the House Ways and Means Committee of the proposal, which curiously doesn't mention the corporate rate cut, even though it's in there: