One of the great things about sports is that anyone with at least a modicum of talent and a heart full of desire can participate competently at something regardless of the size of their bank account. That's right: Despite what the marketing wizzes at Nike (nyse: NKE - news - people ) might lead you to believe, it doesn't take a $200 pair of Air Jordans to play a decent game of pick-up basketball, any more than it requires a $2,000 driver to land a lucky hole-in-one on No. 7 at Pebble Beach, or nearly a $100,000 Holland & Holland side-by-side to plug a partridge in mid-flight. And yet, as anyone who has ever dabbled seriously at such pursuits knows, throwing money around can have a positive effect on your game. From boosting your confidence,...