I have a iPaq rx3115. I got it Saturday night and so far I love it! In the past I've had a iPaq 3660 that died, Jornada 640 that I didn't like and sold, and before that a Palm 3x (the 8mb model).
I have a 512mb sd card and have all kinds of crap installed already
I love the Nevo software that comes with it since my kids loose my remotes all the time. The bluetooth/wifi is nice also. I never realized there are so many unsecure networks all over the place. I was at my mother-in-laws last night and was downloading video clips from ebaums world while sitting on the couch using one of the neighbors wifi
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Another perk of PPC vs Palm for me is that I develop software. If I ever come up with something for PPC, I can just write it!