Blind Curve by Annie Solomon is a fine example of great romantic suspense by an up-and-coming author. Her sexual tension is incredible, and her suspense is nail-biting.
Pure Dynamite by Lauren Bach keeps readers on the edge of their seats with fine-tuned suspense and some seriously steamy attraction between hero and heroine.
Some Girls Do by Leanne Banks has a lot of humor alongside some very fine storytelling.
California Girl by Patricia Rice comes from a versatile author--she does historical and paranormal as well--and showcases quirky characters with real-life issues, and she makes you care very much what happens to them.