Just remember, when you don't plan on running into things, those wheels work fine.
And I'm pretty sure you're 2.6, wheel, and 66 don't weigh about 500 grams....
Road cycling is what it is. Its a great way to train, to see more ground, and to go really really fast, because there is something to be said about descending at 50 miles an hour and passing a corvette on a mountain pass.