Gizmodo is one of the latest sites to try the X1 out.

Here is a bit of their final conclusion:

To be blunt, the Xperia X1 isn’t quite up to snuff with the top smartphones in the market from an overall standpoint. This is not to say the Xperia X1 is a bad phone—on the contrary, it’s a very respectable piece of hardware. It’s just not good enough to justify the cost when better, cheaper phones are available.

Gizmodo’s review