Who'd have thought that pricing a high-end smartphone like the Nexus 4 at $350 or less would lead to strong sales? Google and LG certainly appear to have been caught off-guard. LG's UK mobile lead Andy Coughlin tells CNET that the pair estimated Nexus 4 shipments in the way you'd expect for any phone, but have been rocked by "huge demand" -- in short, they didn't realize that offering such a giant bargain would lead to sellouts within minutes. While we don't have tangible shipping numbers, that the spending sprees happen