tanman, I agree with you. Jeux d'eau is really pretty easy. My piano teacher used to tease me for not learning the piece when I was in middle school, apparently an appropriate age. There are definitely coloristic and other musical issues, but once you learn the notes (which are admittedly a bit funny if you haven't played any Ravel,) the piece really fits into the hands quite nicely. As for the poster who compared Jeux d'eau and the Toccata, the Toccata is a beast and is orders of magnitude more difficult. The Toccata is closer in difficulty to Gaspard.
Also, the Pavane is not that difficult. While there's not really much preparatory work you can do for Ravel, having played some Liszt definitely helps. If you're strong technically, I'd suggest the following order.
Jeux d'eau
Pavane
Easy movements of Tombeau (not Tocatta)
Easy movements of Miroirs (not the Alborada)
I'd say everything else is pretty much beastly.
In any case, having an excellent edition makes all the difference in the world when learning difficult repertoire. I recommend Robert Casadesus's edition for Jeux d'eau and Nancy Bricard's editions for the Miroirs, Tombeau de Couperin and Gaspard.