I would start with a shorter stem. That will make a more dramatic change in the handling and feel of your bike. If you've only got a limited amount to spend, start there!
L8R
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"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, What a Ride!" - unknown
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