This list of forums is rated with Google page rank to the left of each forum for chat/main page:

5/6 Message Boards at Romantic Times
4/4 Diva Forum at Romance Divas
3/0 Janny Wurts chat area
2/5 Otherworld Forums at
2/4 SUITE Mag Forums at
1/4 Cata Network Message Boards at ECataromance
0/4 The Chatter Box at Romance Reader at Heart
0/0 Writer’s News Message Board at All About Romance