My sites for the most part works on it great. But after a week or so of playing around with this browser I've noticed a couple things that I thought you guys wouldn't mind knowing if you ever think about making a site for it:
-It has good navigation, as described here
-Downloading sites feels as though you're on a connection slightly faster than dial up (depending on how many images that page contains)
-Ideal page width is 480 (though is has aspect ratio adjustment so a site made for 1024 can still be seen properly with a little bit of scrolling)
-It seems that it does not handle PNG images well (which make up a bulk of my site's images...ugh).
-Only a selected few JavaScript functions work (eg. onmouseover()/onmouseout() work while onclick() does not)
-File uploading works
-Tabbed browsing works great, you can have up to 3 tabs
-I've yet to test its XML/CSS2 processing skills but from a friend I heard it was fine (though I wouldn't take his word for it =P)
Hopefully newer versions of the browser fix the issues that I brought up and hopefully it'll get more developer friendly as time goes on. It'd really like to see it transition from an IE 5-like browser to a Firefox-like browser within the coming years.
Anyway, here is a couple pictures showing my game site and two shots from inside the game:
http://www.wgamezone.com/images/promonpsp.png
http://www.wgamezone.com/images/promonpsp2.png
http://www.wgamezone.com/images/promonpsp3.png