If you have any kind of mechanical aptitude buying used will get you much more bike for much less money. And if you live in a decent-sized city you may have a bicycle co-op nearby with tools and knowledge to share.
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A race bike in any era is a highly personal choice that at its "best" balances the requirements of fit, weight, handling, durability and cost tempered by the willingness to toss it and oneself down the pavement at considerable speed. ~Bandera