A couple years ago I bought the bottom-of-the-line Handspring visor. 2M, grey screen, larger than the latest "thin" PDA's....

I still love that thing. Holds all I need it to hold (grey screen doesnt lend itself to viewing pictures...) alarms, a little drawing programs, a couple games. Keeps my phone #"s and daily schedule MUCH better than any paper and pencil setup.
I love the Palm OS, no waiting- none. I've reset the thing twice in the 2 years I've used it.
Batteries (2 AAA's) last 4 to 8 weeks depending on useage. No worrying about plugging it in.

I dont think you can still buy a PDA as old-tech, but, if you can forgo the techie instinct to always have the latest and greatest, I have MUCH more than gotten my money out of the Handspring. Now I'm just looking for old springboard modules =)

-John

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2009 Kia Sedona
2009 Honda Odyssey EX-L
12006 Jetta Pumpe Duse
(insert Mercedes here)

Husband, Father, sometimes friend =)