Holographic theme support has been enabled in Todo Q v3.0.2 and provides a nice look and feel on Honeycomb devices. The most obvious changes include moving menu items to the action bar and colors suiting the "holographic" theme. (Xoom screenshot)
Also in this release is a new FAST task entry dialog that makes task entry even faster. (Droid screenshot)
Upcoming changes to support a more streamlined entry of tasks and a clearer separation of tasks vs events should make for a busy summer.
Todo Q is STILL only $1.99 on the Android Market. Try it today.