This new gadget available from Remember the Milk displays your tasks next to your calendar.
Here’s a close up:
Previously, you could add your RTM tasks as a shared calendar, but it wasn’t very pretty.
For Google Apps Users (not a personal account), add this gadget by going here and following the directions under “Add to Google Calendar for Google Apps Users.”
This would be a lot neater if you could click on a day and just show all of your tasks for that day, but for now, this is a neat solution for visually reminding you of what’s coming up.
This is very similar to the RTM Gadget for Gmail Labs. I tried that, but prefer the Firefox extension (better visibility and easier to edit existing tasks with inline editing). You can see both and compare for yourself here.