yeah I dunno. If I were in Europe, I'd try to see 'em in person somewhere before deciding. Fnac has started selling the Kobo so maybe their version has a dictionary. Maybe you'd find out more reading some threads on French sites or forums. Found a few:
Bookeen Cybook Odyssey : "saut quantique en matière de vitesse"
http://www.teamalexandriz.org/forum/...?topic=11244.0
Le Cybook Odyssey à 150 € à partir de mi-novembre ?
http://www.wighie.com/?p=2632