Yep I think it must have been a 90, it would have been pointless sticking a 91 with MK2 carriages anyway as the maximum speed MK2s can go is 100mph, I think 91s are supposed to be used only with MK4s (which were designed with the intention of adding a tilt facility).

The 5 car sets are the super voyagers though which tilt and seem to have more legroom, I think most the electrical problems have been sorted the main problem I have with now is the overhead rack tends to rattle like mad at speeds.