I've had both the DMCC and SF45, and the DMCC is definitely stiffer, lighter, and more responsive, which sounds like more up your alley. Of course, I have the 2011 model and not the slightly redesigned version now.
16 NS West . 15 NS Snowtrooper BIA . 13 Salomon Pow Snake
15 Now Drive . 14 Burton Genesis
14 Flow Hylite