Have been looking at the newly-announced w710i and z710i (see
http://tinyurl.com/rpgx2
and http://tinyurl.com/m69r6),. They seem pretty cool. However,
other than the color of the cases and external screens, I can't find
much difference between them.

I can see that the w710i seems to come with more accessories (armband,
larger memory stick, etc.) and a pedometer application, but I don't see
much that the z710i has that the w710i doesn't (other than a much nicer
looking case, and, from looking at the pictures, maybe a flash for its
camera??).

Can anyone clarify the differences or point to a site that has more
details than the S-E site?

Thanks!

Ian
(thinking that it may be time to finally upgrade from this old T637)