I just attended a seminar on uPortal at Educause and if any of our Java experts have time I would appreciate an evaluation of how hard it would be to create a uPortal channel that duplicated the MyGroups dotLRN portlet.
This thread in the dotLRN forum has more info.
https://openacs.org/bboard/q-and-a-fetch-msg.tcl?msg_id=00059z