Replying to K2 Mindbender 108TI size

I'm looking at getting a pair of K2 Mindbender 108TI this year, but I'm stuck between the 186 and the 193. I'm 6'2", 170 lbs, advanced skier. I'm on the east coast, and I'm looking for this to be my daily driver ski. My ski style is definitely more aggressive/fast, rather than flowy/playful. I like to ski steeps, trees, bumps, and pow when there is any. I currently have the Atomic Backland 109's in a 189, and I love the size. I have a hard time thinking about dropping down to a 186, but I'm also worried that the 193 will be to much to handle, especially in tighter areas. I'm planning on mounting them at +2. Thoughts?