Seems like a good device, the OS from what I've heard from the Z10 is still needs time to mature. It's buggy and will have the occasional lag and app crash, but nothing too severe to detract from it. If you're a hardcore texter or have a physical QWERTY preference, I would recommend it.
In Nokia news, looks like they're pulling an Apple with a refresh of their flagship the 920:
Nokia Lumia 928 in White