If they made a peripheral that was just the touchscreen and adaptive buttons and sold it for $100 with no branding, I'd be all over that. But $250 for a keyboard that only has those two features that I like? Hell no. I prefer my Merc stealth for gaming, not some pimped out laptop style keyboard.
Origin - JStarX7 STEAM - Agent.X7 PSN - JStar_X7 Xbox Live - Agent X7