Since you're UK, would you hit up the big bang demo day? Was good last year, but I'd bring bindings. They had some bindings there but not much choice.
Some of the stuff on my shortlist when I was looking at all mountain stuff, bit random:
Jones Mountain Twin (last years)
Rossignol One magtek
Ride Highlife UL
Capita Black Snowboard of Death
Not all RCR or even similar flexes though lol.