Thanks for your replies,
gvtexas: why do you think it would get so big in iSilo format? The guys at beam-bibliothek.de managed to shrink it to about 40meg in Mobi-format. That's o.k.
There is also a TombRaider version of the full english wikipedia (and several other languages) which fits on a 128mb MS (-->
http://members.chello.nl/epzachte/Wikipedia).
But I don't like having a different reader for each purpose. Up to now iSilo could cover almost everything except DRM protected books and a good encylopedia.
TadW: sorry, I can not provide a download. You'll have to wait until they recover ...