Think fast! You've just stumbled upon this week's episode of Ask Engadget, and just like those "Choose Your Own Adventure" books from yesteryear, you've a few choices here. One is to leave like a coward; another is to really dig in and contribute; and another is to drop some knowledge and send in a question of your own to ask at engadget dawt com. While you ponder which route is best for you, here's Matthew's plea: "There are so many GPS trackers on the market today to choose from. I'm just looking for basic monitoring abilities and decent battery life, and of course I want one that's as small and discrete as possible. Which is the best one for less than $300?" No need to confess in comments what you use your own tracker for (trust us, we could narrow it down on our own),
