Also check out the Betahouse recommends calendar:
<a href="http://www.google.com/calendar/hosted/betahouse.org/htmlembed?src=betahouse.org_upa7a0u9ckmmdc4dihar8v93c4%40group.calendar.google.com&ctz=America/New_York&mode=AGENDA" rel="nofollow">http://www.google.com/calendar/hosted/betahouse.org/htmlembe...</a>
You can also grab the RSS feed here:
<a href="http://www.thesponty.com/profile.rss/251336/Hacking_in_Boston" rel="nofollow">http://www.thesponty.com/profile.rss/251336/Hacking_in_Bosto...</a><p>We'll be updating this very regularly.