I bought SIM card in many countries: England, Netherlands, Germany, Iceland.
In Netherlands I actually bought 2 different SIM cards.
I made calls without any problems, but I was never successful getting any data. I have tried all kinds of different setting and I asked local reps to help me program the required APN data into the phone - nothing helped. SIM cards were capable of getting data - tested on European phones.
I was thinking about updating my Global 2 to DROID RAZR MAXX, but after I checked the forums, I noticed several people had the same problem with it as I did with Droid 2 Global - no data abroad with non-Verizon SIM cards.
I have plenty of old unlocked phones I can use abroad for voice only - there is no need for me to drag my latest smartphone just to realize one more time that it will not support any data = no maps, no apps unless there is a WIFI (so frustrating!). I do not know what Verizon does with their Global phones, but I don't think I saw a single post from people who bought their Global Android phones from Verizon and were able to get data with non Verizon SIM cards. The only phone which does not have this problem is an iPhone.
I'm not an iPhone person, never had it, but I'm thinking of buying one just to be able to get some data abroad.
It is a mystery to me why Verizon advertises their Global phones as Data Capable in over 205 countries, but it does not work if you pull out Verizon SIM and insert a different one. Did they put some kind of a lock on this feature for Android based phones? Honestly, I never tried getting data with Verizon SIM since their prices are very expensive, but I think it would work.