Have a perfectly good headset you use for PC gaming but that doesn't quite fit into your Xbox Controller?
Heres an EASY STEP-BY-STEP Instructable that will show you how you can spend under $20 (in parts) to make that nice PC gaming headset compatible with your Xbox 360 controller.
Step 1: Gather Tools
Note: you'll also need a very small piece of wire you can solder on as a bridge. But more on that in a later step.
You're also going to want a safe place to solder and you may like to use gloves if you're skin is sensitive to cutting or burning...