I also moved to the dark side. To answer your questions-
1- Minimum hours are all in 61.109. You get a reduction from 40 to 35 hours because of your rotary experience (61.109.k.3)
2- Yes, 61.51.j.2
3- If you hold a PPL (H) then there is no additional written. 61.63.b.4
Have fun.