pilotpip,
I am actually going to do my other instructor ratings in the twin as well, I am hoping that it does help because I know many friends who have gone to do their MEI with very few hours in the plane they are taking the exam in. I plan to hopefully have around 75-90 or so non safety pilot PIC time in the same plane I will be doing my mei in so by then I should be pretty sturdy and confident in that airplanes abilities and hopefully get it to do what I want it to. I also heard from someone a good idea which I am going to try, on a few of my commercial flights I will fly from the right seat with my instructor to get an early start on the feel for it.