All of the comic to date is above, at Macromataki.org (among others, including a few of W.-Al's, in an easy-to-navigate form)
The rest of his work, including a couple of pages of comics, and plenty of fantastic artwork and some of the best stories I've read for the genre(multitalented

), are at
http://hemispherecentral.com/dna/.
Unfortunately, the update schedule is accurate. It's been at least a few months since any update to Free Lunch, but I hear some gag promo artwork for the story went up recently at Macrophile so watch for an update maybe?