How can you tell if a Colnago Lux Dream is a 'Plus' version?

miurasv
miurasv Posts: 345
edited June 2009 in Road buying advice
Got a Colnago Lux Dream and I was wondering if it was the 'Plus' version or not. It has oval tubes at the back which someone told me is the difference??? Also what does the 'Lux' have that a standard Dream doesn't? Thanks in advance.