Agree with Bhozar, find a 'mod friendly' dealer,
There are a few 'tuned' MCS's for sale on pistonheads at the moment
I think a tuned car will sell a lot easier to the private market, but if you P/X at a dealer then taking all the go faster bits off would be the best idea (it seems a lot of people do it), you could recoup some of your initial outlay & the rest of us could be in for a bargain
Good luck