I import Lupo gtis from Japan.
On the whole they've been very good examples. Some have come in with silly electrical mods which have been easily rectified.
The mechanical mods are generally no more extreme than a set of Coilovers and a Catback..
I do have one in at the minute that has Coilovers, Induction kit, Oil catch can, ECU tune and aftermarket alloys.. Its actually a great little car to drive.
But the main thing all these imports have in common is the overall condition. They are literally like 2-3 year old cars. Super clean underneath, virtually no rust.
Personally, I would by a car from Japan over a car from the UK everytime. My Last 3 cars have been from Japan. (BMW e39 525 individual, Audi B6 A4 Avant Sportec edition, Vw Golf Gti Pirelli Edition)
Im not sure where the idea comes from that all Japanese car owners are boy racers..? There is almost 130m people in Japan. Kind of a sweeping statement
Japan is the home to so much exotica and run of the mill that it makes it a car lovers dream and if you chose not to explore this as an option I feel thats an opportunity missed.