Web mail client for mobile devices?

[Ken D'Ambrosio]

Hey, all.  I really liked the old version of Android's e-mail client.  Then the
new one came along, and it's significantly more cumbersome to access folders. 
(I know -- just a couple clicks, but ones that weren't necessary before.) 
Anyway, I've looked at most of the other options in the market, and haven't
found any that really do the trick for me.  Then, it occurred to me that there
might be a web client that was fun.

So: any suggestions on a web-based client that's fun to use on mobile devices?

Thanks!

-Ken