My personal use cases for higher resolution:
- programming on the freerunner.  I've been learning Haskell, I want to

get ghci or hugs on there and hack around with that.  Also I'm thinking

about running the glade editor on there, if that's possible.
- using the freerunner as a remote control for amarok.  I want to be

able to see more than just a couple of songs of my collection.

Hopefully the web-based amarok control is usable on 640x480.
- GPS mapping.  The more map, the better this is. 
- Calendar.  I've used the palm calendar for a long time, and its just

not that useful for seeing what's coming up at a high level.  You end up

having to step through one day at a time to see what events are on there.
- Photo viewer.  Hook up the freerunner to a digital camera and use it

to view the photos at a higher resolution than the camera screen.  By

definition pointless unless you have higher resolution than the camera

viewfinder.
Most of these are not impossible with lower resolution - I used to do

programming on my palm III which is only 160x160 I think.  However, its

much nicer on something with more real estate.  Also, having more

resolution allows us to use more programs that were not designed for

openmoko without excessive scrolling, like the glade editor.  To me

these are real reasons to have more resolution, its not just eye candy

and pointless feature-itis.
Not that QVGA is a bad idea though - I'd like to see a low cost openmoko

phone at some point, something directed at the low end cellphone market

perhaps.  If that was the only open phone around, I might even buy one.

Given the choice though, I'll definitely spring for the high res option. 
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