I like the lighter flywheel. I am useing HPI Racing clutch with it set to the highest rpm setting to help with bottom end. It does make it wind up faster. The only draw back that i c is that it is kind of a pain to keep a desent idle beings that it is a little lighter.

I ordered 2 sets of those new gears from tower. They are not in stock yet so i will have to make do with the lighter duity gears.
I am going to try out the new quick pit roto starter too. The one with two electic motors and dual batteries. My roto starter works but the button sticks some times.