Small correction: Only the Raichu Deck of the Entry Packs '08 DX hasn’t been released in 1st edition, the other three Decks (Entry Pack '08), so the non-deluxe version, have been released in 1st edition.
I’m still going through the 7,000 lot I bought and mentioned here, and found some 1st edition DP cards from the Entry Pack '08 set.
Greetz,
Quuador