Things to try with a Nikon D3100

This is the Nikon D3100_English Reference Manual noprint.pdf.  I was just reading it (since I don't own one) and found the following experiments that would be cool to try.

1. Real Time Video Autofocus
2. Active D-Lighting control
3. Copying white balance form a stored photograph page 93
4. GP-1 accessory and UTC coordinated universal time stamp on page 98
   Nikon GP-1 GPS Device User Review $275 Nikon Store GP-1 GPS Henry's Canada
   non-GPS GeoTagging? Using built-in Wi-Fi, the Eye-Fi Card senses surrounding Wi-Fi networks as you take pictures.  What is Wi-Fi Geotagging?
   wireless memory card comparison chart 
5. Viewing on TV with HDMI cable page 126
6. Auto distortion control reduces barrel distortion on wide angle shots page 133
7. Hi ISO noise reduction page 134
   view second video sample :http://shutter.t-dimension.com/2010/10/23/nikon-d3100-dslr-review/
8. Dust off reference image capture p 141
9. Eye-Fi Wireless SD card 49.95
   How does the Eye-Fi card work? | Eye-Fi
10. RAW Image overlay page 158
11. Rotate image .25 degrees  page 161
12. Fisheye effect page 162
13. Perspective control page 162
14. Diorama miniature effect page 163
15. Compatibility with F series lenses. See Cat.
16. Cleaning sensor page 182-183

Cool. Steve.