You can use dbox2 for FTA and encrypted channels and Premiere Smartcard.
dbox2 vs. dreambox 5620:
dbox2 (Nokia, Sagem, Philips):
+ good display
+ actually keys and Images
+ Neutrino or Enigma
+ Betacryptmodul for Premiere
- to use smartcard u need a Multicam (cost 20 EUR)
- to use...