for my part i had a loooot of PDAs. - Palms : (Zire1, Cliés SJ20, SJ30, NX70V, NX73V, NX80V, UX50, VZ 90, Palm TX) - Pocket PCs : Toshiba E310, Asus A620, A620 BT, Fujitsu Loox 720, Acer N310, Qtek 9000, HTC X7500, HTC Diamond Pro - Some others : Zaurus 3100, 800, 860, NTT Sigmarion III, Newton 2000 & 2100 ... iPhone edge, iPhone 3G ... Ok, i'm really insane ... But the N800 & N810 are the BEST eBook readers I used. And Maemo is the best OS for a pocket device I ever used.