I posted this recently to an email discussion list:
Public service announcement: the debates on denominations vs postdenominations and institutions vs independents are two separate debates! (In fact, they were two separate panel discussions at Limmud NY last weekend.) Don't get baited-and-switched. E.g. if someone says "If there are no denominational institutions, then we'll just be an undifferentiated melting pot and no one will stand up for their core values" you can say "Dude, i can still stand up for my values even if I don't have an institution to lean on," and if someone says "If there are no movements, then who will take care of [x thing that movements do and independent minyanim don't]?" you can say "Dude, there can still be institutions to do that, and they don't have to be broken down by religious ideologies."