Sitting around over the holidays, away from a reliable internet connection has made a good opportunity to kick around the wireless connection I have via my Sanyo 4900. As Brian Jepson at Mobile Whack points out, unreliable is the key word. The connection is just barely enough for some basic tasks—but not much more than that. No streaming music yet.
Newsmonster over this link is pretty painful but it can be done. Strangely enough, I've been having problems with Newsmonster and the latest kernel I built, 2.4.23. I get all kinds of DNS timeouts, even on a real link. I haven't had the time to chase the root of the problem down, though.