I recommend it; Thursday's are "pay what you wish", and it's also on Fridays and Saturdays until October 28th.
http://www.impacttheatre.com/season/index.php
The playwright also wrote "Hunter-Gatherers", another dark comedy that FB and I saw in SF, in her Potrero Hill neighborhood a few weeks ago, and liked a lot, and LaVal's is an easy bike ride away.
And Patrick Obrian fans might like this video of Patrick Tull reading one of the most moving passages in the canon:
http://www.youtube.com/watch?v=CFi6fhcMnYQ
The knicker flash is that I'm the guy in the striped T-shirt at 6:08.
I also got by the Berkeley farmers market to pick up some dates for dessert when I feel like a sweet, and couldn't resist the soy salad, although I'll stock up on that, veggie pot pies and tamales at the Temescal farmers market tomorrow.
I've been getting all my food from local trees, the local bakery or farmers markets for a while now.