How about a second hand powertap rear wheel and a copy of training and racing with a powermeter?
If you actually want to go faster and not just have a nicer bike*, this is the answer you seek.
*think long and hard about that question. I don't have an answer yet.
Are you offering a rear wheel?
@Dammit started
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How about a second hand powertap rear wheel and a copy of training and racing with a powermeter?