Australian task manager Remember The Milk is offering pro accounts to its users now; they are moderately priced at $25/year. Though besides priority support by email there are not any additional features available for pro account users at the moment and the service remains free with all the features you know and like anyway. Though you can tell the developers what you’d like to see in Remember The Milk.
Offering pro accounts with no real additional value might seem strange, bold or even audacious to some people. However I think Remember The Milk has become an awesome service since its launch about two years ago. You probably won’t find many services which provide so many well thought-out features and remain free over such a long time. Also there are no ads or other nasty obstacles which interfere with your productivity. I think signing up for a pro account is just a little sign of appreciation of long time users to the two developers – Emily Boyd and Omar Kilani – for their great work and dedication. And if nothing else it gives
A warm fuzzy feeling knowing that Bob is adequately nourished [with bananas]
Just have a look at Bob T. Monkey yourself. 
Tags: Bob T. Monkey, Emily Boyd, Omar Kilani, task manager, USD