D05 definitively more dynamic than D09C, I use D09C on FH and D05 on BH with Viscaria Super ALC. I used to have both sides with D09C but I needed something bouncer on my BH when playing at mid distance. Spin with D05 remains very good. D09C on FH good for slow opening top spin, counter top and...
I switched from D09C to D05 for my BH, really pleased, but requires a softer feeling as it bounces quickly out. Flicks are very good and counter blocks very fast. I use Viscaria SALC.