Rock Xtreme 620

Keyboard feedback is, in a word, excellent. Keys are broad and comfortable and though some do have a hint of rattle and there's just the slightest bit of flex, there's plenty of travel and keys have a positive, springy feel to them.

The Rock Xtreme 620 is something of a curate's egg – good in parts such as out-and-out performance and in sensible build and styling; but hindered by a disappointing screen quality and poor battery life. If you're taken by the idea of the 620 but don't...