The code4lib folks have launched their e-journal! I first heard about this project, and the group itself for that matter, at ASIS&T’s 2007 Annual Meeting. Although the whole conference was beyond excellent, code4lib was one of the top five highlights for me. Enough of my blather though, here’s the link:
The Code4Lib Journal

I found the article on the development of an OPAC API to be most interesting.