On a related note, I'm in the UK and this morning received the 5.1 update for my Moto G 4G (1st gen).
It all seems OK and slightly nippier than KitKat.
I'm in Italy and I received the update last night. Took ages to download and install the update, but finally it's working super smooth. Let's see how is the battery life...
Upgrade early and early more, support customer more and marketing campaign strong more.. I think Motorola will archive successful in the next time..i am regret that in my country don't have many user buy Motorola . they only using Samsung and apple. I think them forget Motorola V3.
I am in Malta... bought my 2013 Moto X in dresden germany... after reading your article I immediately checked for updates and.... YES update available... downloading 5.1 right now !!!!