So wikipedia says that there are 3 DX versions:
http://en.wikipedia.org/wiki/Kindle_DX#Kindle_DX
Gen1 = original DX (white)
Gen2 = international DX (white)
Gen3 = Current DX (Graphite)
Pretty easy to understand, however, these ebay listing says graphite gen2:
http://www.ebay.com/itm/ws/eBayISAPI...#ht_2315wt_985
Was there an update to the Gen3 graphite? Or is this most likely a typo on the ebay poster's part?
Also, this review states graphite and 2nd gen...
http://talbottcrowell.wordpress.com/...ration-review/