Hello rabidjade,
If all your looking to do is reset the unit to factory defaults so all applications and data are removed, it's fairly straight forward.
1. Plug in the external power cord from the USB cradle.
2. With the unit turned off, flip the "Replace Battery" switch and remove the battery cover.
3. With the cover removed, locate the reset switch located just above and to the left of "Replace Battery" switch, and press it with your stylus.
4. Replace the battery cover, don't forget to flip the "Replace Battery" switch back.
5. Turn the unit over, press and hold the "OK" button while simultaneously pressing the "Cancel" button to turn the unit on.
6. You will see a menu, select the option labled "3. Format". This will erase all data and applications within the unit allowing you to start with clean system.
** This will not delete your ROM, that is done with another option in the menu. **
There's lot of places this information is available as well as steps for flashing the unit with another ROM.
A quick
Google Search should do the trick.
Hope this helps, but as always, standard disclaimers apply. ;-)