Here's a link to an article that's kind of old (2002), but I thought it was really cool. It brings up some interesting points, and has value in helping new writers like me shape the craft in the romance genre. I'm sure it's old hat to established authors, but I'm bringing it to the table anyway!
http://www.washingtonmonthly.com/features/2001/0201.marsh.html
http://www.washingtonmonthly.com/features/2001/0201.marsh.html