Most desktop Linux users might find themselves to be more inclined with the usage of the G1, being it plays well with popular Linux distros. But as I learned from this article here, apparently the Palm Pre also is a phone to consider if you are a Linux user.
As you can see in the above linked piece, the Pre does well with mounting the file system via USB, but there is the question as to whether it works well with music players such as Banshee or amaroK.
I suspect that it is likely that the file system will mount just fine and allow for a fairly straight forward data transfers. This also means that it is plausible that music transfers should work easily as well. But I would be interested in hearing from any of you that might own a Pre and are using it with desktop Linux.