I had a Casseopeia I bought second hand. The problem I had with it as compared to the Psion Series 5 was simply that it was too power hungry and windows CE was

I had a Casseopeia I bought second hand. The problem I had with it as compared to the Psion Series 5 was simply that it was too power hungry and windows CE was simply not reliable enough. I had cases where alarms would not go off, data corruption, and a battery that lasted at most a day.