OpenSolaris just gained hardware support:

http://blogs.sun.com/roller/page/tpm?entry=opening_day_for_opensolaris_on

(by running OpenSolaris as a domU with a Linux dom0, OpenSolaris can use any NIC, any block device, etc....)

I'm addicted to reading the linux-kernel list. There's a big thread going on about changing the meaning of "inline" in the kernel tree to mean "if gcc4 wants to" instead of the historical "always-inline!" that was required due to gcc3 quirks. Then introducing a new "__always_inline" to actually mean __attribute__((always_inline)), for the few ( Read more... )

Article about Xen merge into the kernel:
http://www.eweek.com/article2/0,1895,1879667,00.asp

My home server is now running atop Xen [about]. I love it so.