I don't use p2p, so I can't help with that.
Linspire...why would you want to pay for Linspire, when you can get as good or better Linux distributions for free? Check out this thread
. It's a little tough to read through the whole thing, but browse it.
Try a Fedora Core, Debian, Ubuntu, Kubuntu, Xubuntu, or one of the 300+ free Linux distros. The *buntu's will run off a LiveCD, so you can try them without installing them to your hard drive.