It looks like we weren't the first to think that the DigiCube MIDPhone-50 looked awfully familiar. The Psion Series 5 PDA, you may recall, featured the same sliding-clamshell design back in 1995 -- and its still a beloved gadget among many folks overseas (though it never really caught on here). One man who wishes to bring the PDA into the 21st century is an ex-Psion employee named Paul Pinnock who, with his partner, has apparently brought the Windows XP-powered MIDPhone to the west and rebranded it the PsiXpda. Being marketed as the successor to the Series 5, this guy doesn't have the RS-232 port