Look at here--->
PrePaidGSM: Germany
In my opinion Simyo (a mvno) or T-Mobile are quite good for you necessity
[COLOR="Magenta"]"Working" PrePaids: Wind, Vodafone, CoopVoce, , Travelsim (2), 02 Irish (2)
My best sim?--> Wind +39-328
My phones:
Samsung Galaxy Next S5570