Linux compatible organizer

Hello SuSE folkz, Just this morning my five year old trustful organizer SHARP WIZARD OZ-570 suddently died. Memory chipset failure. :( Could somebody please recommend any good pocket size organizer with the keyboard and possibility to natively synchronize it with Linux. B&W or color screen doesn't matter much, as soon as I can use its keyboard to select items and enter the data. I don't like these modern PDA's which use a stick only to operate with them. I prefer a keyboard. Many thanks in advance. Alex