What has it sat with the "analog has no future and there are now no longer" posts about? Lack of essential information?
This is the incorrect forum for your questions - better ask your questions here: http://forum.digitalfernsehen.de/forum/
In short, the analog transmissions will be in / for the latest Germany p.30. April 2012 set (http://de.wikipedia.org/wiki/Digitaler_Rundfunk#Analogabschaltung). The private providers are anticipating this event. You can make your old satellite receiver disposed safely today - he is not worth anything anyway. Instead, you purchase a new HD-capable. For television s.PC there are many USB adapters and PCI cards.