Get the new bike now!! You can "prove" you deserved it instead of "earning" it by completing the metric century. If you enjoy riding a hybrid, you'll become totally addicted on a road bike. You sound very much like my husband and myself. He would take it "easy" to ride with me...he was on carbon and I was riding around on the 40-ton hybrid...that could be a slight exxageration. We were having so much fun together I decided I wanted something lighter. I bought aluminum due to money restraints, but it's got a carbon fork and seat stays.

Happy riding!
Steph