(If you don't feel like reading this whole post, just scroll down to the last paragraph, which summarizes it all for you.)
I was helping another noob (Gorgon) who's using Linux. I was trying to explain to him that different mobs should show up as different colours (at least their names should do so), and he said that it wasn't working for him, that everything was showing up as green. So I walked him through using probe to determine the level of mobs, and suggested that he download the client from the main web site, since he said that he DL'd widget from a link in the forums. He said he'd do that tomorrow (which actually is today).
Well he just logged in again and told me that he got everything working correctly and is now using v0.9.7.1 as his client (the official client). However, he told me that he did do as I suggested, and DL'd the Linux installation from the web site "Download" link, but it turned out to be the v0.9.7 .deb package. So in order to get the most recent client, with everything working correctly, he told me that he had to go into SVN, grab the source, and compile it all from scratch himself.
Now, I haven't used Linux in a really long time, and when I was using it I was just beginning to learn (I'm a real noob on Linux :p) and only remembered a very select set of commands from when I had a UNIX shell account. I wouldn't know how to do what he did, and he told me that it would have been much more convenient for him were the most current version available as a .deb installation package, which I understand means that it's more like a Windows installation file that can be installed/uninstalled and updated.
So I just thought that I should point out that the current installation package for Linux using the Download link from the web site is for the OLD client, not the new one. Perhaps it can be updated?
