I went twice...
The Fusion is a true replacement for the Contour. It is essentially a newer version of the same product pointed at the same market... the entry-mid-size sedan. Unfortunately, it got beat by the ugly stick after the Milan and Zephyr left it alone.
I also felt the interiors on all too many cars suffer from complete idiocy and lacking necessities. Just too many cars where the use of a few brain cells would have made them better. Don't the designers actually try to use the cars?
I preferred the SKY over the Solstice, but the Aura did nothing for me, way too many busy conflicting shapes with an interior that resembled fecal matter in color.