I also think the 5.2 is great "bang for the buck."
As a point of reference, our store owner wanted me to track down a Cervelo SLC-SL frameset for a relative of his "across the pond." We have a good relationship with our nearby Specialized concept store which also carries Cervelo (the manager used to run the Supergo next door to us.) I talked to him and with a substantial discount for "store to store", the price of the Cervelo frameset was considerably more than a complete Madone 5.2. And the Cervelo is made in CHINA. Not that that is necessarily a "bad thing", but that tells me the overall "markup" on the Cervelo is exhorbitant. An Italian made Colnago is one thing but......