Actuallt, there are strong inditions that PAL release will finaly have the option to swithch between the mesaurement system (metric - collonial) for the first time in the series, independent from the country chosen.
Also notice that "British AKA English" version is usually "Euro PAL" release with 5 biggest european languages: English, Deutch, French, Italian and Spanish. Other countries are getting variety, depending of SCEE decision to make a localisation for that particular game. Also notice that usually PAL games, despite the localisation mentioned above, are getting English language option as default.
BTW Isn't it ironic that "Collonial" system is still called that way? It makes me sad, in fact..