Ya I really like it too, I am starting to get used to the extra bank, but still tend to rest my hands on the keyboard too far to the left.
The TeamSpeak plugin is very nice, though I have dual monitors so I just look at TeamSpeak, but I have been checking out some other plugins. Here are a couple of sites
http://www.g15forums.com/ and
http://www.g15mods.com/
Though I can see it now, there will be a G16 that will have a 16 million color LCD screen soon.