I need some help here. I ride an R500 that is getting old and am being offered a used Cannondale bike at what appears to be a great price. The only information that I have is that it is equipped with Campagnolo gruppo, including a Campagnolo Athena crankset, and cost about $1600 new. I am guessing that it is some version of the R900. Can anyone help me identify the year and model. I have to move fast if this is as good a deal as I hope it is. Thanks