I never tried Napster, because of its central structure. LimeWire was the first step to gnutella, and it ws a great step
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LW can not get around the weaknesses of the p2p-concept, but it makes most out of the advantages.
Just the (central) installation on a Linux-box caused me some troubles (authorisation-wise), maybe the developers can have an eye on this...
Great stuff, go on!
Axe