http://www.ubuntu.com/Ubuntu is suitable for both desktop and server use. The current Ubuntu release supports PC (Intel x86), 64-bit PC (AMD64), UltraSPARC T1 (Sun Fire T1000 and T2000) and PowerPC (Apple iBook and Powerbook, G4 and G5) architectures.
64bit download:
http://ubuntu-releases.cs.umn.edu//6...ktop-amd64.iso
And this thread:
http://forums.xandros.com/viewtopic....ighlight=64bit
discusses the 64bit solution to Xandros, apart from running the server version.
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