Maybe it's the paint but the one I've seen on 2nd phase Vipers looks to have a bit more headroom, the one you've seen on that pic is what I went for, can easily tell the shape with a bit of reflections
Here's the most original car I've seen so far with all the factory options as it was delivered:
http://www.viperexchange.com/vehicle-details/1994-dodge-viper-19-miles-from-new-rt-10-tx-id-18739809