[Request] - Model ID Finder

[SuddenlyBRAINS]

A simple request; I'm looking to find a way to find the model IDs of various NPCs, but some are just not listed on WoWhead, or are incredibly hard to find. I run Windows 7 and the 64 bit client, so my request is a tool that will let me see model IDs of whatever I click on. Preferably everything, but just NPCs would be very much appreciated.

Preferential UI:
- Simple button that finds the model ID of whatever I have targeted (or moused over) in my client.
- Chat bar that lists the ID of the model that was selected