I know OO and testing (at least Test::More and general test writing), though I haven't played with Moose more for a lack of time than an aversion to it.

Half the jobs I've taken give deadlines for projects that make it impossible for me to learn more than I know to complete them and the list of things I have to learn in my time (that also competes with lists of projects, blog articles and other things) is growing constantly. I miss having free time.