Seagate and LaCie have gotten friendly before -- the former company's drives are in the LaCie 2big Thunderbolt HDD, for instance -- but the storage makers are about to get even cozier. Today, Seagate announced its plans to buy a 64.5-percent share in the French company, which is currently valued at $186 million. The acquisition will combine the two outlets' product portfolios and, according to the press release, "accelerate Seagate's growth strategy in the expanding consumer storage market, particularly in Europe and Japan." The deal should go through by late 2012, and Seagate will bring over LaCie CEO Philippe Spruch to head the consumer storage products di