Samip, the Ectaco jetBook Lite and jetBook are still available and are on sale. No WiFi. They read many formats. Not many people here have one, but most of those who do love them.
http://www.newegg.com/Product/Produc...9SIA1CU0CT9361
http://www.newegg.com/Product/Produc...9SIA1CU0BZ7802