Pioneer will be the first Century for my wife and I as well, and Monster Cookie was our first metric. I would say (and remember, this is advice from another century noob) relax, have fun, don't stress over it. Take the hills slow and get through it.
If you are interested, we can hook up at the start and ride togheter, provide moral support for each other. We aren't fast, but we get there.
Really weird coincidence- I checked your profile, we share the same birthdate. Granted, I had claim to it first, but I'll share