Why not create a larger screen device into which you could plug an iPhone or Touch. This device would have a keyboard and larger screen. It could also have a battery to extend the life of the iPod/iPhone.
Something close already exists for playing movies stored in the Touch or iPhone on a larger screen.
Use all of the functionality that comes with the Touch/iPhone plus provide a larger screen, functional keyboard, extended battery life, maybe external speakers, maybe use the iPod screen as a the touch pad, etc. Done with the elegance of most Apple devices this might be attractive.
I am ready to dump my Treo. I need these applications to pull it off.
Expense Tracker - An expense tracking program that makes expenses easy to enter and transfers them to pre-formatted spreadsheets. Absolutely necessary. I spend very little time doing my expenses with the program I have and do not want to go back.
Password Tracker - A program to keep track of passwords and other access information for all the web sites and other venues that I access. I have over a hundred entries on my Treo.
A voice recorder that is really easy to access.
Bill Tracker - A program to track a list of recurring bills to pay.
Quick Note Pad - Maybe even let me draw something with my finger tip. Could be combined with the voice recorder.
A stepped up Clairvoyance that generates a list of possible words instead of just one alternative.
Voice Dialer
June can not get here soon enough.
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User Poll: What Do You Want from the iPhone SDK?