Thus whole area is moving very quickly at the moment, but this article looks more like a repeat of a vendor's marketing rather than journalism. The price of putting 2Pb of relatively repetitive data into any of the extreme database appliances (e.g. Oracle, Netezza, Teradata) is much closer to the $5m than you might think.
In terms of offering both mapReduce and SQL, most of the vendors offer some level of this - try searching on "MapReduce" and the vendor of your choice. Netezza offers MapReduce, Tearadata's Aster product offers SQL-MR and Oracle offers the MapReduce paradigm in it's PL/SQL language.
There's enough hype around "BigData" and "NoSQL" without the usually reliable Reg adding to the bandwagon.