Can I first say that so far, I'm pretty impressed with this beta. The GUI is lovely and think the team have got the usability pretty close to spot on. It's definately along the right lines.

I'm a big fan of the ipod touch, but, thus far, think I like C2 better as a concept interface.

A few things I'd like to see:
zooming slider for photo viewer -
I like the way the thumbnails display in the photo viewer. the "old photo album" idea is a lovely touch... when you view in full screen, I'd love to have a zoom slider along the bottom of the screen to go with the rotate buttons etc.

upnp support -
I think this is coming in a later release, I hope so anyway. I've got a linux server in the house broadcasting a upnp media library. I can view this in the n800 built in media player ... so would love to see this in C2.

easy cover art... perhaps -
This has been discussed a fair bit on the forum, but I'd like to add an interest in seeing a feature to be able to download cover art for albums on the device.

a button to sync all podcasts -
Having a button somewhere to sync all new episodes of subscribed podcasts would be nice.

easier config outside of app ... web interface ? -
I guess the plan is not to need any kind of config outside of the app, but it might be nice for adding internet radio URLs and podcast streams etc.

easy choosing of video player software -
I've switched to using OSM Media player rather than MPlayer for video playback... little bit fiddly to go editing the config file to do that though. Would be good to just have an option in the settings to choose default apps.

youtube plugin -
Speaks for it's self really... kinda like appleTV would be great.

last FM plugin...Vagalume? -
I'm a big fan of the Vagalume app... so a plugin for lastFM would be brilliant.

RSS reader -
The built in RSS reader is one of my most used apps, but it's not exactly pretty... would be good to have an RSS plugin for C2... with the ability to add RSS URLS in the settings.

Web Browser -
while I'm thinking about web (RSS), a launcher for the browser from C2 would be great... with a bookmark list within C2.

That's about all I can think of just now... but this list is testiment to how much I want to use this app!!

Keep up the good work

Stooo