Whats the obsession with overloading old people with technology? How useful is a PDA/SmartPhone if you cannot read the screen? I'd wager that any 65 year old lady that truly needed a PDA or SmartPhone is probably innovative enough to be able to figure it out, regardless of which model or manufacturer you give her.
True enough. I should've said hand that Treo to any non-computer person and watch them fumble around. Hand them an iPhone and they'll be using 75% of it's functionality in about 10 minutes. And I'm not talking about "advanced functionality the iPhone will never have," I'm talking about basic call management, email, calendar, internet, etc.
If in any problem you find yourself doing an immense amount of work, the answer can be obtained by simple inspection.