I've read that users have been able to listen to Pandora Internet Radio through their N800, but I have had no success getting it to work. The page loads, but the progress bar in the flash object makes it about a quarter of the way, then stops.

By all indications, I have the latest firmware (3.2007.10-7) I've tried playing with the browser cache settings, to no avail. What else might it be?

Check http://www.flickr.com/photos/mconnick/502259140/ - especially the comments.

I just wish I could load Pandora on my PC

You have to be seriously more patient. It will appear to do nothing for MANY minutes, but will eventually load.

Patient as in, say, 20 minutes? I did leave it loading while I walked away for a while.

I suppose I have to keep the screen from shutting off though.

I just got my N800, and Pandora worked 'out of the box.' You do need to click "no" when it asks if you want to abort the scripts that are taking so much time.

I noticed that after messing with bluetooth & wireless settings, adding some apps, etc., Pandora would no longer work - the status bar would hang just as described by Akai. No Java message asking if I wanted to continue or not.

I looked for a way to restore to how it was out of the box, and found a restore user settings menu off of the Control Panel drop down box. Once I reset (I did have to enter wireless settings again) Pandora started working again.

As people have mentioned, it takes a loooooong time to load and it also takes a bunch of memory. So if you have a card in the internal slot you might want to enable the swap space on it through the control panel if you haven't.

I am using 112mb of swap memory and it takes about 2 minutes for Pandora to start playing music on my N800. The prompt shows up after about a minute. The CPU/memory usage is extremely high which would make multi-tasking a lot more difficult.

I'm in Akai Kenshi's situation: Pandora's progress bar gets about a quarter of the way and then nothing happens for 20 minutes. I don't get to the dialog some people have seen which asks whether to abort a long-running script.

Before I try Tom C's solution, where can I find out how much I lose if I restore original settings? I've added applications and wireless networks.

Further data points: recent firmware (the tablet was a Christmas present), and no additional swap memory

If it will work on a phone then there must be a way to work it on a N800. Looks like there is a special lite version.
http://www.pandora.com/on-the-go