As clunky as it is, it's not that bad if you approach it right.
Reminds me of my old Palm Pilot but better.
Not the best but lots of crucial info made legible.
Try using mobile.portals like...
http://cantoni.mobi/
Big list of portals here.
http://wapreview.com/?id=134
My first day with the reader, what I miss is the tether point on my 300. Whenever I sat for a long read I would slip on the neck strap. It saved me a few times when I fell asleep reading.