35is or 35i
It really comes down to what your transmission preference is. My title tells it all, why buy a roadster and emasculate it with a computer making shifting decisions vs 3rd pedal on the floor. Many options for increasing power and all are more powerful than what the "is" has over the "i". Pocket the difference and use it for mods (H&R swaybars and nonRFTs have dramatically improved my ride).