Meeting with fellow writers, even on-line, can help remind you that the joys and frustrations of this business are shared by others. An excellent, detailed article by Amy Sterling Casil on how to write an effective critique. Most critique groups recommend this article by Victory Crayne as the reference to review before undertaking a critique, as well as to help you interpret critiques of your own work. The rest of the site also has a number of useful critique and writing resources. A mailing list for romance writers to meet, inspire, support and critique each others' work.
Participation is required for membership.
Critique group also available for list members. A critique group for short story writers of speculative fiction. The idea behind the group is that it will be a forum where members must write on a consistent basis. Members must submit one story and three critiques every two weeks. A writing sample is required to establish skill level.