the problem was the internet connection. I got out of wifi's reach. then I got the "resume" menu on top of the download screen. and it worked, which I thought was really nice
warn me about the new version. as for the rom, it is official, as far as I know... but I flaseh it myself, it's rooted, and some original apps are missing. but there is nothing original about the core of the rom, I guess.
About the maps download: yesterday I checked the "weight" of the world in Google Classic (full map, all zooms). I guess you already know, but anyway, it's fun just to say the numbers

: about 1,5 billion tiles, 37.000GB. Which is cute, because we have a storage at work that has all our network, systems, ERP, backups, and 5 year's emails (4GB accounts for each of 400 employees)... and it's about half this size in total!