English:
All Infos in the link at the top.
The GE1 / DE1 acc should at least be as good (if not even better) then my acc.
If the acc is much better i would pay a little bit on top (max. 50 €).
In the worst case i would buy the acc for full (max 150 €).
If there are any questions pleas ask.

(Sorry for bad english ^^)
Deutsch:
Sämtliche Infos in dem Link oben.
Der GE1 / DE1 account sollte...
Trading GA1 acc for de1 or ge1 /Buying