Footage from the Killzone Mercenary beta has leaked on the internet,
it may be removed by Sony, so have a look before it vanishes and remember to change the quality up to 720p.
The maps appear slightly too large to me but perhaps the game was not full, apart from that it looks, well, Killzone-y. The Vita is certainly shifting a large number of polygons about, mostly brown and grey polygons it’s true, but still a large number of them.
A couple of lucky people have access to the beta now and a public beta will occur in late August.