The mini-computer game has so far been dominated by upstarts such as FXI and Raspberry Pi, but a big name is getting ready to join the party, too. Intel first demoed its NUC (Next Unit of Computing) at PAX East in April, but details are just hitting the web now. One standout spec is the NUC's 10 x 10-cm (4 x 4-in) form factor, which places it between the Raspberry Pi and Mini-ITX boards in terms of size. Moreover, the NUC packs a Core i3 / Core i5 Sandy Brid