@Ballebar, I can only say as it is with my 3790, assure you all maps are updated through garmin.
I dont live in Mebourne, say im about 60ks away, With POI / Transit / ground transportation, nuvi only lists from 2.3k to 49ks and will only show whats within this area, I would have thought if my state is "victoria" it would come up with all including "Flinders street"
As far as "cummuter railway station", its empty.
I think you may have seen my point of view different as when people type things they can be taken bit different to intention.
Not to use "maps" as folder name in SD card, my oppology there i did mean "map" not "maps"
All my other maps EG. Topo's are in my Map folder on Sd, What i found is that one gmapsupp.unl will run both Melbourne and Sydney senis, I have not tried others as not needed.
Your shown example of cityxplorer is same as mine and as i said it works same, It seems its the operator and not unit that needs bit more operational experiance. But have issue with Garmin and rail stations as not all are listed, BUT can be found if you do a search on unit! you can find flinders station this why, but as far as it being listed where it should be, sorry to say its not there.
thanks for your input and continuous effort for Catymag.