Definitely OpenACS should participate in the SoC. (I think we missed it
last year.)
I'm willing to serve as a mentor for a student interested in my
World's Best Integrated Email-List Archive Software
proposal, or possibly for other projects instead if that one doesn't
get any takers.
Whoever's organizing this for OpenACS, if you want that Email-List
Archive idea written up better or whatever, please ping me and/or
Carl Robert Blesius,
as I know he was also willing to put time into that project.