When I hover my mouse pointer over the due date field, it changes to what I'd call a "text insert" cursor, i.e. a vertical line. I feel sure that it used to change to a hand pointer as it does on the other fields in Toodledo.
I've tried FireFox 3.6.10 (with & without Stylish running), IE8 and Chrome 6.0.472.63 - it's the same in all of them. Or has it always been this way and I've only just noticed???