For most here this is probably moot, since most are likely running custom roms that bypass the issue. However, as a new Evo owner, I'm not quite ready to take the plunge just yet. I'm happy with how the phone is stock aside from this one issue (Bluetooth/Wiimote) because I loves my emulators.
Well, on to the fix.
First, download and install Bluez IME. Put a shortcut on your Home screen to make things easier later.
Second, download and install the HID enabler
Now do the following:
1. Open Bluez IME Settings
2. Activate bluetooth (if its not already running)
3. Hit "Select Device" then "Scan"
4. On your Wiimote, press the "Sync" button inside the battery cover
6. You should see something like "Nintendo-RVL-.....". Select it.
7. Hit "Select Device Driver" and select "Wiimote (HID)"
8. Hit "Select IME" then "Configure input methods"
9. Check the box for "Bluez IME" and click "OK"
10. Click back button twice to close.
Now, that parts done and that's the only time you have to do it. The next step just requires a tiny bit of quick action. You have about 10 seconds to do 3 seconds of inputs, so no biggie. The sucky part is you have to do it each time you wanna connect your Wiimote.
1. Go to "Settings" --> "Bluetooth" (turn it on if it's off)
2. Hit the menu button and click "Search for devices"
3. On your Wiimote, press the "Sync" button inside the battery cover
4. As soon as your Wiimote appears (Nintendo-RVL...) Click it.
5. As soon the "Enter PIN" BOX pops up, Quickly press the Home button, then hit the "Bluez IME" shortcut on your home screen and immediately tap "Select IME" and click the "Bluez IME" input method.
You'll see 3 messages at the bottom of your screen. First, will say "connecting to (MAC address of Wiimote)" Then it will say "pairing rejected", which is from the Bluetooth stack.
Finally, it will say, "Connected to (MAC address of Wiimote)"
The lights will flash continuously on the Wiimote, but it works great. I tested it out on ePSXe, Gensoid, Gameboid and SNESoid. They all worked great. If you want to use the Classic controller, just make sure you have it plugged into the Wiimote before you press the "Sync" button.
Hope this helps someone.