Depends who's doing the remap! You can get some nice Torque gains out of the 2.2 on remap and it often cures the hesitation. Red Dot managed +14bhp on a stock 2.2.
To the original poster, I've never heard of an Upsolute remap but remaps are known to significantly reduce and often eradicate the hesitation in the 2.2.
My 2.2 has had no hesitation at all since I replaced the exhaust with stainless steel from the catalytic converter backwards. Other methods known to eradicate hesitation are replacement air induction. After either, you would want to remap the car after such a change ideally.
Question to ask the remapping company - are they applying a generic map or developing a specific map for your car? If they do not have a dyno (big set of rollers they put your car on to measure power/torque) then it's a generic remap. If that's the case, where did they get their remap from? Who developed it?
If it is a well known company like Red Dot, Auto Delta, AHM, that's good, but there is software around that lets any monkey put a map together - and you don't want that.
Brat Pack no.8