They came with pocket Internet Explorer and I think you could connect with an ethernet cable or via a dial up modem. Their basic drawback was the price. Windows CE was the first embedded operating system and it did too little from a price standpoint for the Jupiter line to be profitable. ASUS learned from that and what you get with the eee PC line is not a dumbed down version of Windows but a full fledged real operating system and all the included applications just like a full size computer.
"Show me just what Mohammed brought that was new, and there you will find things only evil and inhuman, such as his command to spread by the sword the faith he preached." - Manuel II Palelologus