I purchased G17 magazines since they hold 17 rounds and added X-Grip spacers to them. As for the issue of your pinky hanging off you might consider one of the Pearce Grip Extensions which can be added to your factory 10 round magazines. Some models provide a little more grip length and some actual can increase the magazine capacity by a couple of rounds.
A major source of objection to a free economy is precisely that it ... gives people what they want instead of what a particular group thinks they ought to want. Underlying most arguments against the free market is a lack of belief in freedom itself.
- Milton Friedman