We just saw Archos' Arnova 7 G2 make its debut in Hong Kong, and now a tablet carrying a strikingly similar appellative is popping up at the FCC. It might carry a familiar moniker, but the Arnova 7b G2 doesn't share the same skin as its recently outed cousin. Unlike the textured body we saw in Hong Kong, this guy's backside is a total fingerprint magnet, just like its predecessor, which we caught (official) wind of just two months ago. So what's up with this G2 confusion, anyway? Unfortun