We'll openly admit we never knew what African Blackwood was until Gresso started applying the stuff to its line of extremely luxurious cellphone mods, but now we can't imagine a new product from the Russian company without the 200-year old timber making an appearance. And sure enough, the Gresso iPad's rear is composed almost entirely of Dalbergia melanoxylon, broken up only by the insertion of an 18-karat gold Apple logo. Strangely, in spite of its extravagant constituent materials, this design is a very restrained,
