Another "Is Fuel Injection a Worthwhile Upgrade?" Question

I have come very close to pulling the trigger on a fuel injection unit several times. I have considered the Holley and Edelbrock units. I have decided against it each time because of the multitude of posts both here and other places where people who claim the are competent mechanics have had TROUBLE with them. I understand the potential advantages FI can offer, but what about all of these people with all of these problems?????