I own over 600 german domains and IDN along with cno.
I refuse registering info and biz because I simply don´t like them.
.de is almost chance less because everthing is taken. However, I also own german IDN domains.
I went through your list and didn´t find anything interessting
- I am very sorry to say that.
If you have any questions, feel free to ask me.
DeTep