Hi RN7,
Yes, AldiTalk seems suitable in Germany... and you could also telephone your wife for 3c/min across Europe
Have a look at the comments made by other PrePaidGSM members:
http://www.prepaidgsm.net/forum/show...?t=8438&page=5
Sorry, but I can't make any recommendations for France. I don't keep up-to-date with the french telecoms market.