Good but pricey if you want it to be usable.
1 sync per day is very limited, and paying 25 p.a. is pricey esp. if you live outside of USA. Would be much better for both users and RTM itself if the app was like 5 USD, then much more users would buy it.
Hawkish Hawk about
Remember The Milk: To-Do List, v2.0.1