>The problem is that they are very keyboard orientated, so any discomfort in having to change from keyboard to mouse, or shortcut keys will be seen as an obstruction, but it does sound nice though.
>

Oriented. Orientate is "to face East". ;-)

MonthView might not

Just a suggestion. fit, but what about a control like the DateTime Picker, (lets you type in like a textbox, and does a drop-down calendar that they can use when they want to. I don't know if it can force 4-digit year entry for manual entry.)