The first quad-core to be officially launched is an LG. Will it repeat the (in)success of the 2X?

In a rush of announces during the week preceding the Mobile World Congress, Korean manufacturer LG has announced yet another device, and this time it’s the first smartphone with a quad-core Tegra 3 CPU. The LG Optimus 4X HD is also the first LG device to be launched directly with Ice Cream Sandwich (really?), but there’s no word on its availability date.
Specs-wise the Optimus 4X HD (which we may supposed it will be branded Quad in a few markets, where the 2X was known as Dual) seems a pretty good device: next to the 1.5GHz Nvidia Tegra 3 processor we find 1GB of RAM, 16GB of mass storage, 8Mpx rear-camera, 1.3Mox front-camera, 4.7-inch HD IPS display, 2150mAh battery, DLNA, MHL and a new Optimus interface.
Still, considering that last year LG had three high-end smartphones and has not been able to support them with updates, not even when software bugs were evident and acknowledged, how can we trust the company to support this larger number of handsets that has been announced this week only?
We will have a look at this smartphone at the LG booth during Mobile World Congress, so stay tuned for our hands-on impressions.