The ATD-1 lets you choose from five different torque settings and four different tools bits, which should leave you with no excuses when it comes to tightening things correctly.
Do you ride your bike a lot? If so, you've no doubt needed to perform some repairs. Park Tool's EK-1 has been designed to be a self contained tool kit that includes nearly anything you'd ever need to do exactly that, even if you're on a road trip far from home.